Product name: USB Bluetooth 5.2 transmitterAdopt QCC3040 chip, support coding: APTX Adaptive HD LL , different codes have different indicators.Driver-free, computer system XP WIN7-10 LINUX, etc., and supports voice calls.Suitable for most Bluetooth headsets: ios and Android headsetsSuitable for game consoles: PS4-5, Android boxApplicable to some Android TVs: For 's new Android system, compatible with common Bluetooth 4.2-5.2 TWS headsets or speakersColour: blackMaterial: metalPackage Contents:1 * Bluetooth 5.2 audio transmitterOnly 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.