B20 2 in 1 Bluetooth 5.0 Audio Adapter Transmitter Receiver Support Optical Fiber & AUX & LED Indicator

Features: 1. Product appearance is exquisite 2. CANC noise reduction and echo cancellation technology 3. Support TX dual stream RX multi-point connection 4. SPDIF I2S audio input/output interface can be switched freely 5. Built-in rechargeable battery long battery life 6. Support SBC MP3 AAC apt-X HD apt-X LL apt-X audio formats 7. 16Mb built-in eFlash and up to 64Mb external serial flash memory digital-to-analog conversion signal-to-noise ratio is up to 75dB 8. Support TWS (left and right channel separation) 9. The product connection is simple without any cumbersome driving and downloading APP Product specifications: 1. Bluetooth chip: CSR8675 2. Bluetooth version: Bluetooth V5.0 3. Built-in battery: 600mAh 4. Audio performance: APTX/APTX LL/APTX HD/AAC/SBC 5. Bluetooth distance: more than 20m 6. Charging method: Micro USB (5V/0.5A) 7. Charging current: 200-300mA 8. Charging time: about 3 hours 9. Battery life: RX is about 18H TX is about 22H 10. Compatible: Android IOS