UGREEN Bluetooth 5.0 Receiver Transmitter aptX HD for Headphones TV Optical 3.5mm SPDIF AUX Audio Adapter
2-in-1 Transceiver: This audio adapter is powered by the latest Bluetooth 5.0 and can pair with 2 Bluetooth devices or speakers simultaneously in transmitter mode or receiver mode.
New Bluetooth 5.0 version: Compliant with Bluetooth version 5.0, backward compatible with Bluetooth 4.2/4.1/4.0/3.0/2.0/1.0
About aptX HD: aptX HD audio ensures that your Bluetooth device can deliver high-definition (HD) audio. It preserves sound data through audio transmission for a "better than CD" listening experience. With aptX HD, you can listen to your music in the best possible sound quality when using wireless devices. (Note: Receive mode supports aptX HD, transmit mode does not support aptX HD)
Optical + 3.5mm: This transmitter and receiver also have built-in optical and 3.5mm connectors, allowing you to use the adapter not only as a TOSLINK Bluetooth adapter, but also as a 3.5mm BT converter
Easy to use: 2-in-1 Bluetooth transmitter and receiver, only 2.5 hours for a single charge can support up to 15 hours of continuous use, can be used while charging, up to 10m high range, unlimited signal transmission
Specification:
Bluetooth protocol: AVRCP, A2DP
Audio Interface: Optical; 3.5mm Stereo
Battery capacity: 3.7V/300mAh
Frequency range: 2.402GHz-2.480GHz
Received output power: 28mW RL =16R 
SNR: >90dB
Support music playback time when receiving: 13H
Support working time when launching: 15H
Charging completion time: 3H
Toggle switch: switch between transmit and receive and digital and analog
Product size: L60*W60*H19(mm)
Package included:
1 x Bluetooth 5.0 Adapter
1 x USB Charging Cable
1 x 3.5mm Audio Cable
1 x 3.5mm Jack to 2RCA Cable
1 x Digital Audio Optical Cable
1 x English and Chinese User Manual
Other items not include
Specifications
Gross Weight
0.162kg
Volume Weight
0.074kg
Package Length
11.000cm
Package Width
10.000cm
Package Height
3.000cm
One Package Weight
0.145kg