Product Features:With high-definition microphone, support call function; With Antenna, the transmission is farther and more stable, and the maximum support radius is 25 meters without obstacles; CSR Qualcomm QCC3056 Chip,40ms Low Latency,600/kbps;Support HD/LL/Adaptive; , ; Bluetooth 5.2 Audio Transmitter Adapter;Support multi-point connection,Can connect two Bluetooth headsets at the same timeNo driver, plug and play;color: BlackMaterial: plastic + metalSuitable for TV, Computer, Projector/ Amplifier/TV Box/Bluetooth Headset/Bluetooth Speaker/for Console/for /for SLIM/for Pro/for ;Automatic memory connection, after the first connection is successful, subsequent boots can automatically remember the connection.Easily Setup: Simple to use and will remember your settings after a 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 of Bluetooth headsets;Support for IOS, for , for Android, for LINUX, for XP, for WIN7-10 system.Note: It's just a bluetooth audio transmitter, not a receiver. Can only be used for audio transmission,So you can't use it for your keyboard, mouse, file transfer.Product Specifications:Bluetooth Version: Qualcomm V5.2Frequency Range: 2.402GHZ-2.480GHZFrequency Response: 100HZ-20KHZAudio Codec: //-LL/-HD/-AdaptiveLowest Latency: 40ms in -LL modeSupport Call: only one bluetooth headset/speaker is valid in call modeTransmission Distance: radius 25 metersOutput Mode: USB,No driver, plug and playPackage Contents:1 x Bluetooth 5.2 Audio TransmitterOnly 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.