Excellent sound quality: The powerful 40mm driver offers superior powerful sound sound quality through deep bass, clear mids and a highly transparent tweeter range. Enjoy your favourite music, podcasts and shows without the hassle of wires. Wireless sound enjoyment all day: Thanks to the integrated 800 mAh battery, up to 42 hours of battery life for several days of listening to music.These Bluetooth over-ear headphones are perfect for working out, walking or commuting. High freedom of movement and ergonomic fit: Answer phone calls and control your music with the multi-function control on the go with call-handling an. Adjustable and pivoting fit with soft leatherette ear pads for all-day comfort. Multiple types compatible: connect via Bluetooth 5.0 with your device for wireless playback. Suitable for: MP3/4, mobile phone, tablet, PC, notebook, computer, Bluetooth speaker and most Bluetooth devices. Wired and wired: In addition to the wireless Bluetooth connection, you can connect with the 3.5 mm jack socket to a conventional MP3 player or a hi-fi system. Wireless or wired is freely switchable wherever outdoor or indoor.