Product Parameters:Product Type: Bluetooth HeadsetBluetooth Version: V5.0Capacity: 200mAhWorking Time: 10hStandby Time: 120hTransmission Distance: 10MImpedance Noise Reduction: 32Ω/ Cvc6.0Product Features:1. Support Stereo Music Playback And Phone Calls.2. Support All Audio Devices With Bluetooth Function, Such As Mobile Phones, Tablets, Laptops, Computers, Etc.3. Allow You To Answer Or Reject Calls Anytime, Anywhere.4. The Playing Time Is About 10 Hours, And The Standby Time Is Up To 120 Hours.5. Foldable Design, Adjustable Length Hinge, Very Comfortable And Easy To Carry.6. After Inserting The SD Card, Without Any Bluetooth Device, You Can Still Enjoy Music Anytime And AnywherePacking List:Bluetooth Headset*1Charging Cable*1Manual*1