Function: speaker/handsfree/TF card/FM radio
Material: metal
Logo: silkscreen/laser carving
Packing: blue gift box with window/white gift box optional
Bluetooth version: JR3.0.
Frequency: 2.402-2.480GHz.
Mxx power output: 3W
Mic sensitivity: -32dbB
Receive sensitivity: better than +82dBm.
Range: 10 meters
Data transmission: up to 3Mbps
UART data transmission rate: 115200bps .
Charging voltage: 4.8V –5.2V DC.
Working voltage: 3.7V –4.2V DC.
Working current: 300MA.
Quiescent current: >1UA.
Battery: 400mAh.
Antenna: built-in