CSR Qualcomm QCC3040 Chip,40ms Low Latency,600/kbps;Bluetooth 5.2 Stable and Fast Connect. Support Audio Codec : //APTXLL/APTXHD/ Adaptive Support Computer sampling frequency and Bit depth: 44100Hz-96000Hz/16-24BIT. No driver, plug and play. Support multi-point connection,Can connect two Bluetooth headsets at the same time; Suitable for TV, Computer, Projector/Power Amplifier/TV Box/Bluetooth Headset/Bluetooth Speaker/for Console/for /for SLIM/for Pro/for For Sonsole/for /for SLIM/for Pro/for can achieve 2x volume enhancement; Automatic memory connection, after the first connection is successful, subsequent can automatically remember the connection. Setup: Simple to use and will remember your settings after a power failure. Setup is a snap simply connect your transmitter to an outlet and your audio system, pair it to Bluetooth Headphone/Speaker the music. Compatible with major of Bluetooth headsets; Support IOS, , Android, LINUX, XP, Vaorlo,WIN7-10 system. Colour:Black Material:ABS Package Contents: 1 x TX40 Bluetooth Audio Transmitter 1 x TypeC Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.