B28 2 in 1 Dual Antenna Style Bluetooth 5.0 Audio Adapter Transmitter Receiver, Support Optical Fiber & AUX & LED Indicator

Features:
1. One-key switch of RX, TX, Bypass mode
2. SPDIF, I2S audio input/output interface, can be switched freely
3. With Bypass transfer function
4. Two antennas, bluetooth use distance is greater than 80m, strong stability
5. High fidelity and lossless sound quality, ultra-low delay sound output
6. ANC noise reduction and echo cancellation technology, support apt-X HD high-definition lossless decoding, and apt-X LL, apt-X, SBC
7. Built-in 1000mAh battery, long battery life
8. If the battery is less than 20%, there will be a low battery reminder. The product will automatically enter the sleep power saving mode after 6 minutes in the RX, TX mode without connection, and it has its own battery protection IC, which is safe to use while charging. reliable
9. Support dual-stream (TX mode) transmission and connect two Bluetooth audio devices
10. Receiving (RX) can be connected to two devices at the same time, any two of the mobile phone or tablet or notebook device, and the volume and up and down songs can be controlled by the buttons during playback.
11. Both receiving mode and transmitting mode can realize automatic connection back, and have memory function for connected products
12. 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: 1000mAh
4. Audio performance: APTX/APTX LL/APTX HD/AAC/SBC
5. Bluetooth distance: more than 80m
6. Charging method: Micro USB (5V/0.5A) 7. Charging current: 200-300mA
8. Charging time: about 4.5 hours
9. Battery life: RX is greater than 20H, TX averages about 15H
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: 103x115x22mm
13. Weight: 95g

Packing list:
Audio receiver transmitter x 1
3.5mm audio cable x 1
Micro USB power supply line x 1
Operation manual x 1
Optical fiber x 1
RCA one out two audio cable x 1