SWISSTEN AIR CONDUCTION Headphones Description of Product: SWISSTEN AIR CONDUCTION headphones are designed for the safety and comfort of the user. The headphones provide both a pleasant listening experience and the perception of ambient sounds, which is pleasant when moving through nature and maximally safe when operating on roads. No More Headphones Falling Out of Your Ears The design of the SWISSTEN AIR CONDUCTION headphones ensures the possibility of absolutely free and carefree movement. You no longer have to worry about the headphones falling out of your ears. Specifications: Bluetooth Version: V5.3 Range: >10m Impedance: 16Ohm Voice Unit: 16.2mm Frequency Range: 20Hz - 20kHz Weight: 27g Battery: 110mAh (3.7V, 0.407Wh) Talk Time: 10h Recharge Time: 1.5h Standby Time: 30h USB-C Connector Input: 5V DC 0.5A