Product description
Bluetooth handsfree
Micro SD card MP3 playing
FM radio
Bluetooth V3.0+EDR
Modulation mode: GFSK, 1Mbps and 0.5BT Gaussian
Power supply voltage: - Battery voltage: 3.3V DC supply
Supported Bluetooth protocols: OPP, OBEX, SPP, A2DP, AVRCP, FTP, HS/HF and DUN profiles
Working current: less than 150mA
Standby current: <15mA
Temperature range: -40 to 80°C
Wireless transmission range: 10m
Transmission power: class 2 4dBm
Sensitivity: -80dBm at 0.1%BER
Frequency range: 2.4-2.480GHz
External interface: PIO, SPI, speaker and microphone
Audio signal-to-noise ratio: ≥75dB
Degree of distortion: less than 0.01%
Battery voltage: 3.3V DC supply