1. can play MP3/WMA/WAV/SBC

2. Bluetooth stereo transmission, Bluetooth phone
3.FM radio
4.TF/SD card control , support for USB (slave) function , which can achieve the card reader function
5. Stereo Line-in input
6.IR remote
7. Support 3X3 matrix key
8. Two controllable LED, support external amplifier mute function
9. internal integrated power management
10. , the internal integration 2x1W amplifier, supports dual-channel amplifier output directly ( 2x6 recommended European speakers, power is about 2x0.75W)
11. , with high-speed UART interfaces , commissioning and upgrading

Bluetooth version Bluetooth V2.1 + EDR
Modulation PSK 3Mbps, ?/4-DQPSK and 8DPSK
Supports HFP / HSP, OPP, A2DP/AVRCP, PBAP profiles
Sensitivity (0.1% BER)-82dBm
Class2 and class3 transmit power to meet the requirements of the transmit power can provide +7 dbm maximum transmit power
Supply voltage 3.2V ~ 4.2V
Current consumption when the normal operating current 45mA, 32mA Play Pause
Separation 50dB SNR 70dB
Operating temperature -20 ~ +50 C
Size 26mm x 19mm x 2.05mm