Sharp HB-BC50 Wireless Bone Conduction Bluetooth Headphones Black

"Used - Excellent Condition (Grade A) - The item is in a pristine, like-new condition. It is fully functional and has been professionally inspected and cleaned. The item may not come with its original packaging and contains all OEM accessories. Package Includes Sharp HB-BC50 Wireless Bone Conduction Bluetooth Headphones -Black Black Magnetic Charger Specification Bluetooth 5.0 wireless technology MP3 playback Built-in microphone IP66 water resistant- and dust-proof 2GB internal built-in memory Bone conduction: ear-free listening playback technology Rechargeable lithium-ion battery, up to eight hours of playtime Measures 4.33" x 1.73" x 5.32"; weighs 0.075 lbs"