ENC noise reduction technology for clear voice quality,It uses bone conduction ENC noise reduction technology, which intelligently reduces external noise such as surrounding voices and wind when you are on a call. When you are running or in various noisy environments, the call quality is not affected at all. This is not available in most other products.Ultra-low sound leakage technology can withstand centimeter prying,The directional sound emission and anti-sound leakage technology are used to ensure user privacy.Ear-hook design will not fall off even during strenuous exercise,Sports enthusiasts can't get rid of it, no fear of high-intensity exercise. Equipped with sports non-slip silicone ear hooks, stable to wear5.2 Bluetooth technology and core chip,Once paired, it is impossible to disconnect.8 hours long battery life,The independent algorithm and low-energy oscillator sound unit provide 8 hours of ultra-long battery life.Speaker type:bone conduction speakerBattery life:10HBluetooth version:Bluetooth v5.2battery capacity:0.53Wh-140mAhCharging time:Less than 1HBluetooth decoding format:SBCStandby time:10 daysCharging voltage:5V5%Bluetooth connection distance:10 metersColour: As ShownMaterial: ABSPackage Contents:1 x bone conduction hearing aidsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.