With high-performance Bluetooth 5.1 conversion chip, the signal transmission is more stable and rapid, and it refuses to delay and stuck.Built-in cancellation and ANC noise cancellation circuit, high-definition sound without noise, stable signal.Built-in antenna, reduce signal interference, stable connection without dropping.-free 10-meter long-distance transmission, strong anti-interference and more stable signal transmission.There is no need to plug and play the driver. After the Bluetooth adapter is successfully connected for the first time, it can be automatically connected by turning on the Bluetooth function later.Product Name: Audio Bluetooth TransmitterBluetooth version: Bluetooth 5.1Input interface: 3.5mm audioInput voltage: DC/5VTransmission distance: 10 Product size: 65 x 26 x 11mmcolor: BlackMaterial: ABSPackage Contents:1 x AdapterOnly 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.