Simple operation: Just connect your speakers/headphones with our equipment, and immediately turn your speakers/headphones into fashionable wireless Bluetooth speakers/headphones.Wireless playback: Free from the trouble of wired connection. Through wireless connection and transmission, users can enjoy high-fidelity music anywhere in the room through wireless control.Portable design: the size of the mini plus the clip design, the portable feature allows you to take them anywhere you want.Type: Bluetooth audio receiverModel: BT001Output interface: 3.5mm audio.Bluetooth version: 5.0Signal to noise ratio: 90dBFrequency response: 20HZ-20KHZ.Color: BlackMaterial: plasticPackage Contents:1 x Bluetooth audio receiverOnly 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.