Playback- Keep dancing to the tunes of your moods all day long as Rockerz 330 is backed with a playtime of upto 30 hours. Frequency Response - 20Hz-20KHz ASAP Charge- Charge for only 10 mins and get a playtime of 10 hours, so get yourself ready to flip through your favourite play list. Charge for 40 minutes to get full charge. Driver Size: 10mm x 2 Drivers Drivers- The unbeatable boAt signature sound shines through no matter what you're playing via its powerful 10mm drivers, Charging Time 30-40 mins IP Rating- Rockerz 330 is marked with IPX5 water and sweat resistance for a carefree listening time. Dual Pairing- Take the advantage of dual pairing and connect 2 devices at once and enjoy real-time audio with Bluetooth v5.0 Design- The ergonomically designed neckband dons magnetic earbuds, has a premium alloy metal control board with high-grade silicone finish. Note- They do not support play pause function Controls and VA- Command your playback, hands-free and activate smart voice assistant easily via its smooth integrated controls