Description:

This Bluetooth module is specifically designed for Bluetooth speaker products. Just supply power for the module and plug your speakers headphone cable into the headphone socket onboard so that you can DIY a bluetooth speaker.
When pairing, you do not need a password to connect to module.
This module also leads out available pins of BK8000L, so you can add a microphone and buttons to make a bluetooth headset to achieve bluetooth call.
AT command functions such as: disconnect, answer calls, reject calls, volume increase, volume reduction, play previous song, play next song, etc.

 Features:

• Bluetooth 2.1 + EDR compliant
• A2DP v1.2, AVRCP v1.0 and HFP v1.5 profile.
• Integrated stereo ADC and stereo DAC.
• Operating voltage: 4-12V (onboard 3.3V regulator circuit)
• Operating current: 65mA (max)
• Standby Current:  <500uA
• Wireless transmission range: > 10m
• Frequency Range:  2.4GHZ ~ 2.480GHZ
• Transmission power: CLASS2, 4dbm
• Sensitivity:  -80dBm<0.1%BER
• External Interface:  I2C/SPI and UART interface
• Onboard 3.5mm dual channel headphone jack
• Onboard XH2.54mm-2P interface for power supply
• Support Bluetooth protocol:  HFPV1.5/A2DPV1.2/AVRCPV1.4/HSP1.2/GAVDP1.2/IOP
• Audio Performance:  SBC decode
• Audio SNR:  ≥75dB
• Temperature range:  -40 Celsius ~ +85 Celsius
• Bluetooth name: BK8000L