III.
Overview
Note
：
The power key is on the bottom of the product.
V -
：
Decrease the volume & previous song
V +
：
Increase the volume & next song
：
Answer/ Hang up the call
IV. Parameters
Model: BT021
Bluetooth specification: Bluetooth V4.0
Transmission distance: 10M (It varies when the environmental factors and the connected Bluetooth devices
≦
are different)
USB charging voltage: DC 5V
Built-in battery: Lithium battery
Output power: 3W
Frequency response: 90Hz-20KHz
Sensitivity: 80db±2db
S/N ratio:
≥
76dB
V. Packing List
1. Speaker *1
2. Mini-USB power cable * 1
3. User’s manual*1
