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真无线双动圈耳机

用户手册

GT4

感谢您购买兰士顿GT4真无线双动圈耳机,以下说明将指导

您轻松使用它。

佩戴

请将耳机放置耳中,旋转并调整到最佳入耳角度,确保佩戴舒

适稳固。

配件

07

用户手册

数据线

耳帽

S

L

真无线双动圈耳机

用户手册

GT4

09

08

产品示意图

手动开关机

1. 在关机状态下, 分别长按左右耳机

    触控区域约5秒, 耳机开机。

2. 在开机状态下, 分别长按左右耳机

    触控区域约5秒, 耳机关机。

配对

蓝牙配对

1. 首次使用耳机时, 从充电盒中取出耳机, 左右耳机将自动

     连接,然后进入蓝牙搜索配对状态,在智能设备蓝牙列表,

     选择“GT4”连接即可。

开启手机蓝牙功能

蓝牙

GT4

搜索“蓝牙”设备

1m

10

自动回连

1. 从充电盒中取出耳机,将自动回连最后一次连接过的设备; 

2. 当耳机与设备超出有效距离断开连接后,在1分钟内回到有

     效距离内,耳机将自动重新连接。

耳机操作说明

左耳:

单击: 播放/暂停

双击: 减音量

长按约2~3秒松手: 上一曲

三击: 进入/退出游戏模式

注意: 

其中播放/暂停功能及通话模式下的操作任意按左右耳

           都可以完成,短按操作要求在1.5秒内完成。

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背面(中文)

耳机:

① 触控区域

② 透明腔体

充电仓:

③ LED指示灯

④ 充电口

自动开关机

1. 打开充电仓, 耳机自动开机。

2. 将耳机放回充电仓并关盖, 耳机自动关机。

5S


2S

X3

X2

X1

2S

X3

X1

X2

TWS Dual Driver Earphone

User Manual

GT4

We appreciate you for purchasing the Langsdom GT4 TWS 

Dual Driver Earphone, the following instructions will guide 

you to use it easily.

Wearing

Put the earphone in your ears, rotate and adjust it to the 

best angle, Be sure to wear comfortably and secure fit.

Accessories

User Manual

Charging Cable 

01

TWS Dual Driver Earphone

User Manual

GT4

02

Auto On/ Off

1. When open the box, the earphone will automatically 

    power on.

2. When putted in and close the box, the earphone will 

    automatically power off.

Diagram

Earphone:

① Smart touch

② Transparent cavity

Charging box:

③ LED indicator

④ Charging port

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06

Auto pairing

1. Taking it out of charging box, the earphone will 

    automatically connect back to the last Bluetooth device.

2. When the earphone is disconnected from the device 

    beyond the effective distance, they will automatically 

    reconnect after returning to the effective distance 

    within 1 minute.

Touch Control

Right:

Answer/Hang up  x1

Volume up/Reject  x2 

Long press 2s~3s: Next song

Voice assistant(Siri) x3

Service

1. If any problems, please contact with the related stores, 

    our customer service team will answer your questions 

    about the product using and other after-sales issues.

2. Warranty is only covered by the first year of purchase. 

    The intentional damage from users is not included.

3. Please contact us with your order number and 

    earphone’s photos by e-mail, because it is helpful for 

    us to solve the problems faster, providing you a better 

    product experience.

Product Parameters

Model: GT4

BT Version: V5.0

Input Voltage: DC5V

Capacity Battery: 40*2mAh/500mAh

BT Frequency Range: 2.402-2.480GHz

Audio Frequency: 20Hz-20KHz

Drivers Size: Φ8mm

Transmission Range: 10m

Sensitivity: 100dB±3dB

Play Time: About 5 hours

Charging Time: About 1.5 hours

感谢您使用兰士顿产品

Thanks for choosing langsdom product

80克双胶纸 单色 双面印刷 风琴折

64*80mm

设计部

产品部

市场部

渠道部

项       目

日       期

董事长审批

GT4说明书

2021-1-29

正面(英文)

64 mm

80mm


OFF

ON

03

Manually On/Off

1. Long press the earphone touch 

    areas about 5s to power on the 

    earphone.

2. Long press the earphone touch 

    areas about 5s to power off the 

    earphone.

Pairing

How to Pair

1. Taking the earphone out of the charging box, the left 

     and right earphone will automatically connect and enter 

     the Bluetooth search pairing state, select and connect 

     “GT4”devices in the Bluetooth list of smart devices.

Setting Bluetooth

Bluetooth

Now discoverable as”iPhone”

devices

GT4

1m

5S

2S

X3

X2

X1

2S

X3

X1

X2

Left:

Play/Pause  x1

Volume down  x2 

Long press 2s~3s: Previous song

Enter/Exit game mode  x3

Note:

 

The operation of the play/pause function and the 

call mode can be completed by pressing the left and right 

ears, and the short press operation requires within 1.5s.

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真诚为你服务

1. 有任何问题, 请与卖家联系, 我们的售后团队将回答您关于

     产品使用的任何问题;

2. 提供相应店铺声明的保修服务。 当然, 不包括故意损坏;

3. 联系我们时, 最好一起提供您的订单号和耳机拍照, 因为这

    有助于我们更快地解决问题,为您提供更好的购物体验。

产品规格

型号: GT4

蓝牙版本: V5.0

输入电压: DC5V

电池容量: 40*2mAh/500mAh

传输频率: 2.402-2.480GHz

音频频率: 20Hz-20KHz

喇叭: Φ8mm

传输范围: 10m

灵敏度: 100dB±3dB

播放时长: 约5小时

耳机充电时长: 约1.5小时

www.langsdom.com

右耳:

单击: 接听/挂断

双击: 加音量/拒接

长按约2~3秒松手: 下一曲

三击: 唤醒Siri

11

充电

充电仓充电:

     绿灯闪烁             充电仓充电中

     绿灯常亮             充电仓充满电 

     橙灯闪烁             充电仓电量低于5%

     开盖白灯常亮         关盖白灯熄灭

耳机充电:

     充电仓橙灯常亮             耳机充电中

     充电仓橙灯熄灭             耳机充满电 

警告

1. 不要长时间高音量听, 以防止听力受损;

2. 驾车, 骑车或步行时请不要戴耳机, 否则很容易造成交通

    事故;

3. 耳机只能用5V电压的充电器充电。 使用超过5V的快速充电

    器/使用5V大于1.5A的充电器充电,可能会造成过热/起火;

4. 请在长期放置之前充满电,保障每3个月充电一次。

※ 建议新机在使用前先充满电

05

Charging

Charging the box:

     Green light’s flashing             charging

     Green light’s on             fully charged

     Orange light’s flashing             Less than 5% battery

     White light’s on—open the box

     White light’s off—close the box

Charging the earphone:

     Charging box orange light’s on             charging

     Charging box orange light’s off             fully charged

Warning

1. Do not listen for a long time at high volume to prevent 

     injury to hearing.

2. Do not wear earphone while driving, cycling or walking, 

    otherwise it will easily cause traffic accidents.

3. The earphone only can be charged with 5V charger, 

     using a fast charger that more than 5V or charger with 

     5V more than 1.5A which will cause overheat or fire.

4. Please fully charge before long-term placement, and 

    ensure that it is charged every 3 months.

※ It is recommend that new machine be fully charged 

     before use.

05

Ear caps

S

L

Qualified Certificate

产品合格证

CERTIFICATE OF QUALITY

产品型号

Product Type

产品名称

Product Name

执行标准

Executive Standard

检验日期

Inspection Date

检测员

Inspector

检验结果

Test

GB/T 14471-2013

FOLLOW US

合格证

产品合格证

CERTIFICATE OF QUALITY

产品型号

Product Type

产品名称

Product Name

执行标准

Executive Standard

检验日期

Inspection Date

检测员

Inspector

检验结果

Test

GB/T 14471-2013

FOLLOW US

Summary of Contents for GT4

Page 1: ...TWS Dual Driver Earphone User Manual GT4 ...

Page 2: ...our ears rotate and adjust it to the best angle Be sure to wear comfortably and secure fit Accessories User Manual Charging Cable 01 TWS Dual Driver Earphone User Manual GT4 Ear caps S L Qualified Certificate 产品合格证 CERTIFICATE OF QUALITY 产品型号 Product Type 产品名称 Product Name 执行标准 Executive Standard 检验日期 Inspection Date 检测员 Inspector 检验结果 Test GB T 14471 2013 FOLLOW US ...

Page 3: ...pen the box the earphone will automatically power on 2 When putted in and close the box the earphone will automatically power off Diagram Earphone Smart touch Transparent cavity Charging box LED indicator Charging port OFF ON ...

Page 4: ...5s to power off the earphone Pairing How to Pair 1 Taking the earphone out of the charging box the left and right earphone will automatically connect and enter the Bluetooth search pairing state select and connect GT4 devices in the Bluetooth list of smart devices Setting Bluetooth Bluetooth Now discoverable as iPhone devices GT4 1m 5S ...

Page 5: ...er returning to the effective distance within 1 minute Touch Control Right Answer Hang up x1 Volume up Reject x2 Long press2s 3s Next song Voice assistant Siri x3 2S X3 X2 X1 2S X3 X1 X2 Left Play Pause x1 Volume down x2 Long press2s 3s Previous song Enter Exit game mode x3 Note The operation of the play pause function and the call mode can be completed by pressing the left and right ears and the s...

Page 6: ... Warning 1 Do not listen for a long time at high volume to prevent injury to hearing 2 Do not wear earphone while driving cycling or walking otherwise it will easily cause traffic accidents 3 The earphone only can be charged with 5V charger using a fast charger that more than 5V or charger with 5V more than 1 5A which will cause overheat or fire 4 Please fully charge before long term placement and en...

Page 7: ... is not included 3 Please contact us with your order number and earphone s photos by e mail because it is helpful for us to solve the problems faster providing you a better product experience Product Parameters Model GT4 BT Version V5 0 Input Voltage DC5V Capacity Battery 40 2mAh 500mAh BT Frequency Range 2 402 2 480GHz Audio Frequency 20Hz 20KHz Drivers Size Φ8mm Transmission Range 10m Sensitivit...

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