bluetooth amplifier module,bluetooth audio amplifier,bluetooth stereo amplifier board bluetooth wireless audio module, bluetooth amplifier module ,bluetooth speaker board,bluetooth audio board, application: mini bluetooth speaker bluetooth speaker bluetooth earphone 1. Bluetooth 2.1+EDR compliant 2. Typical +2dBm Class 2 output power 3. Receiver Sensitivity: GFSK typical -90dBm, π/4 PSK typical -90dBm, 8DPSK typical -83dBm 4. HCI UART interface 5. CVSD, A-law, μ-law CODEC algorithms for voice applications 6. SBC, MP3, AAC decode for Bluetooth stereo streaming 7. Build-in High performance stereo codec 8. Cap-less headphone driver 9. Audio DAC: 93dB SNR 10. HSP, HFP, A2DP, AVRCP profile support 11. Build-in charge circuit for Li-ion battery 12 built in 3W stereo amplifier