Free yourself from the wired connection and take the stunning, renowned sound of Bang & Olufsen with you wherever you go. With pristine, minimal design, the B&O Play H4 headphones are superb-sounding, take-anywhere Bluetooth headphones. Extended battery life makes sure they last more than enough time before the next recharge, premium materials provide a consistently comfortable listen and their classic looks will turn heads. Up to 19 hours of playtime. Beoplay H4 works for extended periods of time. With a generous battery life of up to 19 hours, H4 users can stay on the move and enjoy beautiful music for longer. Comfort, fit and style. The materials used to achieve the build quality are honest, simple and true: leather, aluminium, stainless steel and braided textile cord, all carefully selected for comfort, fit and style. Beoplay H4 delivers acclaimed Bang & Olufsen Signature Sound and has been designed to bring you sound that stays true to the source material. No matter if you use H4 wireless or corded, the sound will impress you by revealing all the beautiful details your music has to offer. Uncompromising wireless sound. Beoplay H4 incorporates Bluetooth technology giving you uncompromising wireless sound, whether listening to music or talking on the phone.