100% Brand New! Brand Name: BASEUS Power Out: 5V/3.1A (max) Material Type: Aluminum Alloy Voltage: 12V Item Weight: 60g Special Features: Qualcomm Quick Charge 2.0 Item Size: 8.82 X 2.06 cm (3.46 X 0.8 inch) Features: Automatic connection after power on. Memory playback after power off. Single button design, one-touch operation for listening music, safer for driving. Rotate left and right to adjust the volume, press+rotate to adjust the frequency, press only to answer the call. Bluetooth 5.0 increase the transmission speed by 95%, making music or calls without delay. Full frequency speaker technoloy,360 stereo surrounding effect, high definition decoding output, impressive noise-less effect. Compatiable with audio formats such as MP3/WAV/FLAC/APE/WMA etc. Support dual USB charging at the same time, single port is up to 3.1A (max). Large screen digital display design, automatic detection of battery voltage. Power on and connect automatically, without re-tuning the frequency. Package Content: 1 x Baseus MP3 Transmitter 1 x English Manual