Head-Mounted Foldable Headphones Wireless Bluetooth 5.0 Headset FM/T F-CardAux-in Function 7-Color Gradient Aperture Built In Microphone Features: phone, tablets, laptops and desktops, which provides better sound quality. (Devices that do not support Bluetooth can be connected with configured audio cable. ) Battery : PLAYing TIMEs 10 hours of without lighting, or 7 hours of PLAYing TIMEs with lighting. Three modes: slow flash, gradual change and fixed color Bluetooth 5.0 version. When using the Bluetooth mode, it automatically connects to the last paired device, and with a large 10 m connection range. It comes with a 3.5 mm audio cable, supports control from various devices like cell phones, Kind-le, PC, TV and music players. Button Controlled - Simply buttons are easy to control in Bluetooth mode. Turn on/off the, Control volume, Switching the song, and turn on the FM station can be operated by the buttons on the earphone. Other than the obvious listening to music, playing games, listening to audiobooks and talking, you could also use the headphone for Christmas parties, for cosplay events, any family gathering, fancy dresses and the like Product Description: Bluetooth scheme: V5.0 + EDR Standby time: 100H Charging time: 2h Audio Cable length: 30cm Frequency response: 20zh-20khz Sensitivity: 110dB 3 Operation Range: