Ultra light ENCOK D02 over-ear headphones. Thanks to the folding structure, they easily fit in a bag or backpack. Equipped with a Bluetooth 5.0 chip to connect to a smartphone, tablet or computer. Possibility to connect two phones. The Bluetooth version 5.0 ensures high performance, stability and reliable transmission, and also transmits data without delay. The headphones reproduce clear and natural sound with strong bass. They sound great in rock and roll, rock and pop music. Digital technology creates impressive sound effects and the noise reduction system helps to significantly reduce background noise. The model has an ergonomic shape, distinguished by the presence of movable, adjustable elements. This allows you to adjust the height of the headband as well as the fit and angle of the earcups to your liking. The headphones have a built-in microphone. Controlling songs, calls and volume is done using the buttons on the headphones. Thanks to the additional audio cable, you'll never have to part with your headphones, even if the battery runs out. It is enough to use them by wire. Possibility of wired connection with the phone. Extended work time: 1.5 h quick charge provides 25 hours of play time. Compatible with Apple and Android operating systems. Specification: Material: ABS + PC Bluetooth version: V5.0 Working range: 10 m Standby time: 300 h Working time: 40 h (70% volume) Battery capacity: 450 mAh Rated input: DC 5V = 400mA Rated current consumption: 10mA Charging time: 1.5 h Frequency response: 20-20KHz Charging interface: type C Compatibility: wireless audio devices Size: 165 * 80 * 205 mm Weight: 190 g