The appearance of the product is exquisite. Adopt CSR high-end chip design. Support TX dual stream. A and B button design makes it more convenient and simple to connect two Bluetooth devices. Support the host case and the protective shell can also be used. Support , apt-X LL, apt-X, apt-X HD. Corresponding to display audio code lights. The product connection is simple, without any cumbersome driving and downloading APP. Product weight: 6.8g Bluetooth version: Bluetooth V5.0 Support protocol: A2DP, AVRCP, , HFP, Working frequency band: 2.402GHz -2.480GHz Power level: power level 2 (Class II) Input interface: USB TYPE C / USB A (transfer cable) Power supply mode: powered by the console Encoding lights: respectively encode the audio transmission of Bluetooth devices: HD, LL, , Compatible: Support Switch and PC computer audio transmission, support , Switch, PC use, support mode, can be used as it is connected to TV colour:black material:ABS Package Contents: 1*TYPE-C Bluetooth transmitter 1*USB male to type-c female interface cable 1*Instruction Only the above package content, other products are not included. Note: Light 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.