Bluetooth + MP3 function support stereo music playing, phone calling Support all audio devices that have Bluetooth capability, such as cell phone, tablet PC, laptop, computer, etc. Omnidirectional dual condenser microphones and 360 degree rotation adjustable microphone, so it can bring you clearer and better communication experience during use Allow you to answer or reject phone calls anytime and anywhere Charged via USB, rechargeable battery, convenient and practical Characterized by cat claw shape RGB rainbow light effect and cat ear decoration, this headphone can provide you with wonderful visual effect and make you more cute and sweet Specifications: Bluetooth Version: V5.1 Effective range: 10M Speaker size: 40mm Frequency response: 20Hz-22KHz Battery capacity: 400mAh Talking time: 8 hour Music time: 6 hour Charging time: 2 hours Standby time: 200H