Panasonic RB HF520BE K Bluetooth Over Ear Headphones, Voice Control, Wireless, Up to 50 Hours Battery Life, Black

SUPERIOR SOUND: Get ready for powerful sound from around-ear housings with 40 mm driver unit and neodymium magnet. EXTRA BASS SYSTEM (XBS): Our Extra Bass System (XBS) combines Acoustic Bass Control that optimizes air flow via a filter and an acoustic tuning circuit to enhance low range reproduction LONG BATTERY LIFE: Wave goodbye to the hassle of having to charge mid travel. The HF520B’s high-capacity battery allows up to 50 hours of continuous playback. With over two full days of playback from a single charge NORMAL STYLE OR FLAT STYLE? The swivel design of HF520B ear pads is convenient to carry around. Just flip the ear pads to make ear pads flat and portable, so you can carry it anywhere with you. The built in virtual assistant for handsfree operation allows you to ask Alexa to make a call, set a reminder or check your schedule or the weather. Headphones deliver 6.5 hours of playback on a single charge and up to 19.5 hours of playback with charging case. 15 min of Quick Charge can deliver 70 min of playback time. 15 min of Quick Charge can deliver 70 min of playback time. Size and Weight : H 21xW 20XD 31mm Weight : 7g (one side only: L and R are the same)