- All-day listening with quality soundListen to your music throughout the day without interruptions. The WH-CH510 are wireless, lightweight and have a battery life long enough to keep up with you- Bluetooth wireless technologyListen to your favourite tracks wirelessly with a Bluetooth wireless technology by pairing your smartphone or tablet.- All day power and quick chargingWith up to 35 hours of battery life, youll have enough power for even long trips away. If your headphones are running low on power, a 10-minute quick charging will give you up to 90 minutes of play.- ake music anywhereThe lightweight design and swivel earcups mean you can slip your headphones into a bag when youre on the move. Plus, the slim, adjustable headband is designed to both look and feel good.- Easy operation with buttonsUse the buttons to play, stop, or skip through tracks and adjust the volume.- Voice-assistant compatible A simple button press connects you to your smartphone's voice assistant to get directions, play music, and communicate with contacts. 2- Easy hands-free callingConversation flows freely with easy hands-free calling, thanks to the built-in microphone. No need to even take your phone from your pocket.