Size：5*1.5*0.7
Colour：白色,黑色
a1474
Wireless in-ear Bluetooth headset
product manual:
Adopt all MTK stereo earphone solutions
1. Support Bluetooth 4.0+EDR protocol
2. Support A2DP V1.3 AVRCP V1.5
3. Support HFP V1.6, HSP V1.2
4. Support SPP protocol
5. Integrated 48MIPS dual-MAC DSP processor
6. Built-in charging IC
7. Support noise reduction, echo cancellation
8. Support voice prompts,
9. Support UART, I2C interface
10.6mm*6mm QFN40 package for business Bluetooth headsets
Chip function support
1. Bluetooth 4.0 stereo Bluetooth headset;
2. Volume adjustment;
3. Up and down music selection;
3. Voice prompts;
4. Caller number broadcast;
5. Point-to-point connection;
6. IOS system power display;
7. Call answering/rejection;
8. Last digit replay;
Size：5*1.5*0.7
Colour：白色,黑色
