iDeaPLAY Bone Conduction Open Ear Headphones ES568 5.0 Bluetooth Red

"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:1 x IDEAPLAY ES568 Bone Conduction Headphone, 1 x Micro USB Cable, 1 x Storage Bag, 1 x Silica Gel Earplugs, 1 x User Manual Specifications: Minimum Frequency Response : 20Hz Maximum Frequency Response : 20kHz Impedance : 8ohms Sensitivity : 87dB ± 3dB Connection Type : Wireless Wireless Connectivity : Bluetooth Bluetooth Version : V5.0 Maximum Wireless Range : 33 feet Built-In Microphone : YES Maximum Talk Time : 5 Hours Stand-By Time : Up to 10 days Water Resistant : IP55 Battery Life : 500 Times Cycle Battery Life Per Charge : 5 Hours Battery Charge Time : 2 Hours Charging Interface : Micro USB Port Battery Capacity : 180mAh Product Size : 5.47*4.21*1.53 inch Product Weight : 1.06oz"