Specifications:Using bluetooth-compatible 5.0 chip.Support bluetooth-compatible reception, bluetooth-compatible transmission, TF card playback.Support USB + AUX + FM three mode output.With FM transmission, the car supports radio connection, with 3 frequency points by default (FM87.8/88/91.6).Supports TF card reading function, which can perform data copying and other operations on the computer.Built-in 160mAh battery, can continuously listen to songs for about 5~6 hours.Bluetooth transmission distance of 10 meters.Built-in high-quality decoding chip, high-definition stereo sound quality(supports similar product sound quality comparison).Item Name: bluetooth-compatible ReceiverMaterial: ABSBluetooth: 5.0Plug and Play: YesTransmission Rate: 24MbpsWorking Distance: 10mFeatures: Compact Size, Portable, Convenient to UseLength: 7.5cm/2.95", Width: 2.5cm/0.98", Height: 1cm/0.39" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x bluetooth-compatible Receiver1 x User Manual1 x Power Cable