Headset, Bluetooth Headset, Mobile Phone, Universal Wireless Card, All-around EarFeatures:Bluetooth 5.0 chip, faster and more stable connection, clearer and smoother listening to music and playing games, and generally improved headset performance.The three modes can be switched . Plug-in cable/card/Bluetooth can be used in any situation. Plug-in cable does not consume power. It is fully compatible with Android ios Windows system, and can be linked as long as the device supports Bluetooth function. It does not take up space, and can be folded and stored easily. The movable brace can be adjusted and retracted. It is more convenient to fold up and carry.With a power reserve, it takes 2 hours to fully up after listening to music for 10 hours. Product Description:Parameters:Bluetooth reception range: 10mBluetooth version: 5.0Battery capacity: 500MAHUse time: 10 hoursPower input: DC5V/200MACharging time: 2 hourscontain:1x headset1x data cable1x instructions