Product Features: With high-definition microphone, supports call function; With antenna, the transmission is longer and more stable, and the maximum support radius is 25 meters without obstacles; CSR Qualcomm QCC3056 Chip, 40ms Low Latency, 600/kbps; Supports HD/LL/Adaptive; Bluetooth 5.2 Audio Transmitter Adapter; Supports multi-point connection, can connect two Bluetooth headsets simultaneously. No driver, plug and play; Color: Black Material: Plastic + Metal Suitable for TV, computer, projector/amplifier/TV box/Bluetooth headset/Bluetooth speaker/console/for /for SLIM/for Pro/for ; Automatic memory connection, after the first connection is successful, subsequent startups can automatically remember the connection. Easy Installation: Simple to use and remembers your settings after an error. Installation is simple, just connect the transmitter to an outlet and your audio system, pair it with Bluetooth headphones/speakers, and the music. Compatible with most Bluetooth headsets; Supports iOS, for , for Android, for LINUX, for XP, for WIN7-10 systems. Note: It is only a Bluetooth audio transmitter, not a receiver. Can only be used for audio transmission, so you cannot 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 Call Support: Only one Bluetooth headset/speaker is valid in call mode Transmission Distance: radius 25 meters Output Mode: USB, No driver, plug and play Package Contents: 1 x Bluetooth 5.2 Audio Transmitter Only 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 to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm.