The -related encoding required can be freely switched (Note: the equipment to be used supports adptive)Using Qualcomm QCC3040 chipSupported code: Adaptive /HD /LL /, different codes have different indicators.Driver-free, suitable for computer systems XP WIN7-10 LINUX, etc., and supports voice calls.For game consoles: , , etc.HiFi sound quality: 24Bit 96KHzNote: (For Box, TV is not compatible.)Product Name: USB Bluetooth 52 Transmitter-KB8PMaterial:Metal + Plasticcolour:BlackPackage Contents:1 x USB Bluetooth 52 transmitter1 x USB extension cable (1m/328ft)1 x USB-C adapterOnly 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.