Main functions: for FM radio, Bluetoothcompatible headphones, MP3 player, Bluetoothcompatibleaudio receiver Bluetoothcompatible version 5.3 supports Bluetoothcompatible call function and can also be used as a Bluetoothcompatible receiver to to audio or 200mA working time of 8 hours, FM frequency of 64-108MHz, with microphone Accessories include 3.5mm headphones, charging cable, maximums support for 64G TFcard, not including memory card With back clip, more convenient to use; TypeC Charging and with light Specifications: FM frequency: 64-108MHz Battery: 200mA Bluetoothcompatible version: 5.3 Support for FM radio, Bluetoothcompatible headphones, MP3 player, Bluetoothcompatibleaudio receiver Material: abs colour: Black Package Contents: 1 x earphone 1 x type-c data cable 1 x host Only 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.