Blue Calls/Music In-ear Headset Wireless Bluetooth Intraaural Microphone type: Built-in Built-in battery Lithium-Ion (Li-Ion) Flex all dayIn your ears or around your neck, Beats Flex are as versatile as the life you lead. Whether youre listening to music, taking calls or scrolling your social feed, youll always be ready for whats next. Magnetic earbuds make listening that much easier by automatically playing music when theyre in your ears and pausing when theyre attached around your neck¹. The Flex-Form cable provides all-day comfort with durable Nitinol construction, while four ear tip options offer a personalised fit. And when youre not wearing them, the magnetic earbuds keep Beats Flex tangle-free as they easily coil up into your pocket or bag.The music stops when you doLess charging. More flexing. Beats Flex boasts up to 12 hours of listening time for all-day use. If you need a little extra power, 10-minute Fast Fuel charging gives 1.5 hours of playback when battery is low.²D