Experience crystal clear sound with these modern Bluetooth headphones. Equipped with Bluetooth 5.1 technology and high-quality 40 mm speakers, they deliver a balanced sound experience in the frequency range from 20 Hz to 20 kHz. The built-in 200mAh lithium-ion battery allows up to 6 hours of music enjoyment and can be fully charged in just 2 hours. Thanks to the impressive standby time of 600 hours, the headphones are always ready to use. For maximum flexibility, they feature a 3.5mm AUX input for wired listening. The integrated microphone makes it the perfect companion for phone calls. With an impedance of 32Ω and a sensitivity of 42±3dB, these headphones provide an optimal listening experience. The compact dimensions of 17 cm x 19 cm x 8 cm ensure a high level of comfort. Conveniently charge the headphones via the USB port (DC 5V-1A).