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 without obstacles; Qualcomm QCC3056 Chip,40ms Low Latency,600/kbps; Support HD/LL/Adaptive; , ; Bluetooth 5.2 Audio Transmitter Adapter; Support multi- connection,Can connect two Bluetooth headsets at the same time No driver, plug and play; color: Black Material: plastic + metal Suitable for TV, Computer, Projector/Power 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 can automatically the connection. Easily Setup: Simple to use and will your settings after a power failure. Setup is a snap simply connect your transmitter to an outlet and your , pair it to Bluetooth Headphone/Speaker the music. Compatible with major 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' use it for your keyboard, mouse, file transfer. Product Specifications: Bluetooth Version: Qualcomm V5.2 Frequency Range: 2.402GHZ-2.480GHZ Frequency Response: 100HZ-20KHZ Audio Codec: //-LL/-HD/-Adaptive Lowest Latency: 40ms in -LL mode Support Call: only one bluetooth headset/speaker is valid in call mode Transmission Distance: radius 25 Output Mode: USB,No driver, plug and play Package Contents: 1 x Bluetooth 5.2 Audio Transmitter Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.