B29 2 in 1 Bluetooth 5.0 Audio Adapter Transmitter Receiver Support AUX

Features: 1. LED status display clear and clear multi-button design more convenient operation 2. ANC noise reduction and echo cancellation technology 3. Support TX dual stream RX multi-point connection 4. I2S AUX 3.5MM audio interface RX/TX can be switched freely with power 5. Built-in rechargeable battery long battery life 6. Hands-free call one-click answering of incoming calls 7. Support SBC AAC apt-X HD apt-X LL apt-X audio formats 8. The product connection is simple without any cumbersome driving and downloading APP 9. The appearance of the product is exquisite Product specifications: 1. Bluetooth chip: CSR8675 2. Bluetooth version: Bluetooth V5.0 3. Built-in battery: 250mAh 4. Audio performance: APTX/APTX LL/APTX HD/AAC/SBC 5. Bluetooth distance: more than 10m (open place) 6. Charging method: Micro USB (5V/0.5A) 7. Charging current: about 200mA 8. Charging time: about 2 hours 9. Battery life time: RX is greater than 18H TX is greater than 22H 10. Compatible: Android