[Bluetooth 4.1 Headset]: Bluetooth V4.1+ EDR APT-X audio decode technology, along with CVC 6.0 super noise reduction technology provides lossless stereo sound.
[Long-Lasting Usage & Lightweight Design]: 4-6 hours talk time / music time (Playtime varies according to volume level and audio content). It also has up to 200 hours of standby time and charges in 1-2 hours (ATTENTION: when charging using a USB adapter, the charging current is not greater than 1A). It has a super Lightweight Design, and has a net weight of only 0.49 ounces; you will feel nothing when exercise.
[Built-in Magnets Design]: You can attach the two earphones together when they are not in use, and wear them like a necklace around your neck; a very convenient way to carry the earbuds .
[Sweat Resistant]: Built for your active lifestyle - these earbuds are rated IPX Level 4 and can withstand dripping sweat. Ergonomic design allows for ultimate wearing comfort to match your active lifestyle like running, jogging, cycling, driving, camping,hiking, gym exercise and other outdoor sports.
[In-line Mic and Volume Control]: The headset has a mute and volume control buttons, perfect for answering calls or listening.