Description- Brand New and Premium Quality- Built-in Bluetooth 5.0 Smart Chipset- Knitted Material, Fashion and Keep Warm- Speakers Can Be Taken off So That You Can Wash  The Headband- Handsfree Speaker That Protects The Head from  The Cold Winter- Set-in Li-ion Chargeable Battery, Charge Via USB Cable;  With Built-in Removable Headphones Which Can Be  Pulled out from The Headband If You Would Like to Wash  The Headband- Superior Sound Quality; Simply Sync to Any Bluetooth Device  and in Seconds The Wearer Can Enjoy Hands-free  Connectivity, Enabling Them to Receive Calls  and Listen to Music, Wirelessly- Build-in MIC, Available for Cell Phone to Transmit The  Speaking Phone to Your Audio Devices Directly so That  The User Can Hand Free Answering Phone up Via The Device- Compatible with Apple / Samsung Phones / Tablets Compatible with:       Mobile Devices with Bluetooth Item included:         - 1 x Bluetooth Headband（Black）   - 1 x USB Charging Cable