Wireless Bluetooth Headset Bone-Conduction Headphones Bluetooth 5.0 Wireless Earbuds Sport Maximum Comfort Feature: Our Bone-conduction technology and open fit design delivers music through your cheekbones while ensuring your ears remain completely open to ambient sounds for maximum situational awareness during long-term wear. Stable Bluetooth 5.1 connectivity and convenient multipoint pairing compatible with your iOS and Android smartphones tablets Macs PC computers and laptops. The large diaphragm is used for directional audio transmission without loss creating a realistic surround sound field. Titanium wraparound headbands are lightweight and flexible to ensure maximum comfort during extended wear. These Bone-conduction headphones deliver wide range bass and premium sound experience. Compact slim fit design allows you to enjoy continuous music and calls for six hours at a time. Repels sweat Dust-and moisture throughout your indoor or outdoor exercise routine. Details: BT Version: 5.0 BT Profile: A2DP HFP HSP AVRCP AVDTP Operation range: Up to 10 meters (no obstacle) Frequency Range: 20-20KHz Receiving Sensitivity: 86dB Impedance: 16Ω Mic: -35dB anti-interference microphones Waterproof: IPX5 Battery Capacity: 90mAh Music Playing Time: up to 6 hours (depends on music volume) Standby Time: 120 hours Charging Time: about 100 minute Package includes: 1 x A pair of headphones 1 x USB data cable 1 x Instructions