Description

Bluetooth Version:3.0.
Power supplier: lithium battery:3.7-4 .2 V DC:5V ,450MAH Li-ion battery
Work current: <30mA (Bluetooth module)
Work current: <400mA (power amplifier, Bluetooth )
Standby current: <3mA
Frequency range :2.401-2 .480 GHz (2.4GHz ISM Segment)
The receiver sensitivity: <-90dBm, BER <0.1%*SNR: 95dB
Support external TF card,voice function(english and chinese can be chosen).
Distortion: <0.2%
Frequency Response: 20Hz-20kHz
Scope: <10 meters of wireless communication (consistent with the Bluetooth protocol specifications CLASS 2)
Transmit power: Class2 less than 4dbm, low radiation.
Spread spectrum: Frequency Hopping Spread Spectrum
Bluetooth protocol support: A2DP, AVRCP