The headphones take AAA sized batteries and can use either disposable or rechargeable varieties. There is a warning label advising that only Phillips brand rechargeables should be used ...

The USB-rechargeable charging case offers three charges ... It comes with replacement earbud tips in three sizes, and two color options: Space Black and Pearl White. Aiming to be serviceable ...

The earpieces are stored in a beautifully made charging case that has a rechargeable battery on board that can provide three complete charges to the earbuds. The E16 can play for up to six hours ...