Open Ear Headphones - 1 PCSpecifications:Product Name: Wireless Bone Conduction EarphoneWireless Version: V5.3+EDRDistance: 10 metersListening Time: About 30 hoursLow Volume Playback: Approximately 88 hoursHeadphone Battery: 150mAhWireless Frequency: 2.4GHzSupport Protocol: A2DP1.3/HFP1.6/HSP1.2/AVRCP1.6/D11.3Transmission Distance: 10 metersCharging Voltage/Current: 5V/1ACharging Time: About 2 hoursStandby Time: 200 hoursSpeaker Impedance: φ13MM 32ΩMicrophone Sensitivity: -42dBOperating Temperature: -10-50℃Headset Weight: About 9gHeadset Size: About 3.531.1cm / 1.381.180.43 inchesFeatures:Eardrum Safety: Protect your eardrum and reduce the risk of hearing loss with the unique design that allows sound to travel through the ear bone to the inner ear.Comfortable and Secure Fit: Lightweight (only 9g) with ergonomic over-ear earphones designed for stability and comfort, ideal for sports and outdoor activities.Extended Music Enjoyment: Up to 88 hours of music on a single charge with a built-in 150mAh high-capacity battery. Type-C cable for fast and convenient charging.Real-Time Battery Monitoring: LED screen power display feature keeps you informed about the headphone battery level, ensuring you stay connected during outdoor activities.Wireless Convenience: Smart touch controls for rejecting or receiving calls, playing or pausing music, and adjusting volume wirelessly with a simple finger touch.Packing List:1pc*Earphone1pc*Charging cable