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<Product Descriptions> 

•Bluetooth earphone with PTT for Zello iOS and 

Android 

•Built in PTT function button, Cell phone answer 

(reject) key, and Volume control button 

•Embedded 3.5mm jack is compatible with 

iPhone earphone and many other earphones. 

•Long talk time, up to 10 hours.

 

<Specification> 

Dimension: 65mm X 30mm X 12mm 
Temp: -10

±2

  ~ 50

±2

   

Approx. Weight: 21.6g (External earphone is 

excluded) 

 

• Fully Qualified Bluetooth v4.0.   

• Echo cancellation, noise reduction and 

extended features   

• High Quality DAC   

• 80MHz RISC MCU and 80MIPS Kalimba DSP   

• SBC, MP3, AAC, Fast stream, APTX codec 

support   

• RoHS compliant   

• 

HSP, HFP, A2DP, AVRCP

 profile supports   

• PTT function: built-in   

• Talking Range: Bluetooth class 2, 10 meters   

• Display LED: Blue and Red   

• Power: Max 4dB 

• Sensitivity: -90dB 

• DC Input: 5 Vdc (std.)   

• Standby Current: 6mA 

• Battery: 190mAH   

• Standby Time: 50 hours 
• Talk Time: 10 Hours 

BTH-300-AZ 

 
 
 
 
 
 
 
 

Summary of Contents for BTH-300-AZ

Page 1: ...10 2 50 2 Approx Weight 21 6g External earphone is excluded Fully Qualified Bluetooth v4 0 Echo cancellation noise reduction and extended features High Quality DAC 80MHz RISC MCU and 80MIPS Kalimba DSP SBC MP3 AAC Fast stream APTX codec support RoHS compliant HSP HFP A2DP AVRCP profile supports PTT function built in Talking Range Bluetooth class 2 10 meters Display LED Blue and Red Power Max 4dB S...

Page 2: ...2 BTH 300 AZ ...

Page 3: ... During the call press volume keys Nil Adjust the speaker volume of the cell phone Standby mode double press TALK End key Nil Redial last number Charging BTH 300 AZ During charging Red LED continuous ON Nil Charging complete No LED ON Nil Low battery Red LED flashes once every 6 seconds With beep sound every 6 seconds Volume Adjustment Volume UP Nil 5 steps in volume adjust when reach the max volu...

Page 4: ...4 BTH 300 AZ BTH 300 AZ External Audio Accessory Optional ...

Page 5: ...when you see RED BLUE RED BLUE LED flashing 3 Start Bluetooth function on your smart phone 4 Find the device name BTH 300 AZ under Bluetooth column and connect it 5 Start Zello go to options tap Push To Talk buttons tap Wireless Zello button start Wireless button service and then find the device PTT Z and connect it 6 Pairing process is completed ...

Page 6: ...2 BTH 300 AZ is under pairing mode when you see the LED flashing RED and BLUE alternatively 3 Start Bluetooth function on your smart phone 4 Find device name BTH 300 PTT and tap it 5 Start Zello go to options tap Push to Talk buttons tap Bluetooth PTT control device and then select device name BTH 300 AZ 6 Pairing process is completed ...

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