B38 2 in 1 Bluetooth 5.0 Audio Adapter Transmitter Receiver with OLED Display, Support Optical Fi...

Features:
1. With OLED display, APTX, LL, HD, AUX, AAC, RX, TX and other functions are defined and displayed directly
2. ANC 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, battery life is more than 20 hours
6. Hands-free call, one-click answering of incoming calls
7. Support SBC, MP3, AAC, apt-X HD, apt-X LL, apt-X audio formats
8. 16Mb built-in eFlash and up to 64Mb external serial flash memory, digital-to-analog conversion signal-to-noise ratio is up to 75dB
9. Support TWS (left and right channel separation)
10. 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: 500mAh
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 3 hours
9. Battery life: RX is greater than 20H, TX is greater than 20H
10. Compatible: Android, IOS system mobile phones and tablets, and Bluetooth speakers or earphones that support A2DP protocol to connect and use
11. Working frequency band: 2.402GHz -2.480GHz
12. Size: 60x60x22mm
13. Weight: 48g

Packing list:
Audio receiver transmitter x 1
3.5mm audio cable x 1
Micro USB power supply line x 1
Optical fiber x 1
Manual x 1