Bluetooth-compatible 5.0 Adapter Audio Stereo Dongle for TV PC Car Headphones Speaker 3.5mm AUX Music 2 in 1 Wirele Transmitter ReceiverFeature:1. Two-in-one design, with sending and receiving functions, easy to use, suitable for multiple devices.2. Built-in Bluetooth-compatible 5.0 chip can provide stable transmiion, which can be applied to electronic devices without Bluetooth-compatible, audio products and cars.3. Intelligent noise reduction design, built-in AEC and ANC circuits, providing high-fidelity sound quality.4. The product is 99% compatible, providing stable signals and safe navigation.Specification:Bluetooth-compatible Solution: 5.0Frequency: 2.4GHz-2.48GHzBluetooth-compatible Transmiion Distance: 10m/32.81ftBluetooth-compatible Receiving Distance: 10m/32.81ftCharging Voltage: DC 5VBattery: 250mAhWorking Time (Received): 4 HWorking Time (Startup): 5 HBluetooth-compatible Receiving Function: Connect To 1 Mobile PhoneBluetooth-compatible Transmiion Function: Connect 1 HeadsetNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3mm measuring deviation due to manual measurement. 1 X Bluetooth Adapter 1 X USB Cable 1 X 3.5mm Audio Cable 1 X Manual