That's what 40 mm drivers sound like The Sencor SEP 710BT headphones deliver beautiful audio performance and render your favourite songs in vivid detail. Get ready for punchy bass, clear mid and true-to-life treble. All this in superior data synchronisation with zero latency thanks to modern Bluetooth 5.0 technology. Versatile. Design. The Sencor SEP 710BT wireless headphones feature incredibly rich connectivity, so you can pair them reliably and lightning-fast with any device. They can keep you company in the office, on the sports field, at home during movie nights and so on. They have almost no limitations and if you take them outside, their design will definitely impress the surroundings. Great fit for everyone With the Sencor SEP 710BT Bluetooth headphones, you'll live in clover. Ultra-comfortable earcups with comfortable padding and an ergonomic head bridge ensure the right backdrop for any moment. Wild gaming, a walk in nature or a break from everyday work stereotypes? The Sencor SEP 710BT headphones are guaranteed to take you by your heart. In the package you will receive, among other things, a protective case and a Jack cable (for classic wired listening). Driver unit: Ø 40 mm Impedance: 32 Ω +/- 10 % Frequency range: 20 Hz - 20 kHz Sensitivity: 99 dB +/- 3 dB /1 mW (S.P.L at 1 KHz) Microphone Sensitivity: -45 dB±3dB Batery: 3,7V, 400mAh Li-ion Charging time : 3 h Playing time: cca 30 h Connector: Micro USB Weight : 207 g BT: v5.0 IP20