DescriptionThis wireless bone conduction headset is made of premium material, which can withstand long-lasting use. Features the safe and reliable material, which has high durability, not easy to deform. Fine workmanship, ensures practicality.Features-Color:Dark Green-Material:B attery , ABS-Size:33.00X4.00X1.50cm/12.97X1.57X0.59in -Note: The wireless earphone is built-in 16G memory card. - The wireless headphone is easy and convenient to use, 10 meters connection distance, no limited by cables. - Easy and portable to use, low latency in music and talking, low power consumption, more stable in talking and clearer sound. - Lightweight design, perfect for sports, no longer a burden to your ears, safe to use. - Fits to the curvature of the head, comfortable wearing, no pain when worn for a long time. - Exquisite workmanship, reasonable structure, professional and practical, can bring you convenience.Specification Standby time: 240HWorking hours: 10 hoursCharging time: about 2.5 hoursCommunication distance: 10 metersHeadphone battery capacity: 120mAHCharging port: type-c