User's Manual

1 System Overview
1.1 General Description
B426-AB1510 is a stereo module, which are highly integrated, cost effective, low power consumptions with
Airoha AB1510 chip for intensive audio applications. It complies with Bluetooth system version 4.1 with EDR
function. The built-in noise reduction and echo cancellation functions enhance the voice quality. Advanced
multipoint supports HFP connection to two handsets for voice, or two A2DP sources for music play back. The
voice prompt function can be customized by customers for different voice commands.
1.2 Features
Bluetooth 4.1+EDR compliant
A2DP 1.3 and AVRCP 1.5 profile enable
HFP profile version 1.6 compliant
HSP profile version 1.2 compliant
AVRCP profile version 1.5 compliant
SBC decode
Class 1 or 2 type output power
Support for noise reduction and echo cancellation
Multi-band configurable EQ
Multipoint for HFP and A2DP
Support for voice prompt
Support SPI flash application
Support NFC application with wake-up and pairing function
Audio I/F:I2S
Integrated Li-ion battery charger supports 400mA fast charging