Low latency For a gaming experience without any kind of delay between sound and image. A much more complete gaming feeling. Bluetooth With Bluetooth 5.0. You can use them either with your computer, laptop, tablet or smartphone. Up to 16 hours of music Up to 4 hours of music on a single charge. A recharge using the portable charging case gives you up to 12 more hours of playtime. Touch control All functions at your fingertips with just tapping on the headphones themselves. Technical specifications Bluetooth version: 5.0 Operating distance: 10-15M Impedance: 16O Earphone battery capacity: 30mAh Charging case battery capacity: 300mAh Number of charges (charging case): 3-4 Autonomy: 3-4 h (50% volume) Frequency: 20Hz-20KHz Charging time: 1-2 hours Dimensions: 19x23x43mm Weight: each earphone (5g) + charging case (50g): 60g Input: DC5V / 1A Output: 3.7V Charging connector: Type C, DC5V / 1A