1). Built in 350mAh Super big capacity lithium battery, compared with other earphones, this earphone's continuous playback / talk time up to 48 hours, standby time up to 60 days, you can listen to music a whole day around without charging it.
2). High fidelity super bass and stereo sound quality, delivers non-destructive sound, enjoy the high quality music.
3). Fast charging, charge 2 hours to use it 48 hours, save your time and get rid of long time waiting of full charging.
4). Ultra lightweight and super mini design, it's only 13g, ergonomic design with skin-friendly soft silicone eartip, providing you the comfortable wearing experience.
5). built in sensitive microphone, noise cancelling, handsfree to answer / reject the incoming phone calls, safety driving.
6). the battery status indicate works on iOS smartphone and Xiaomi smartphones.
7). all in one multi-functional button integrated with functions including: play and pause, answer or reject incoming phone call, power on/off.
8). Adopt the leading CSR8615 Bluetooth 4.1 chipset, more stable signal transmission, lower power consumption, excellent bluetooth compatibility, Compatible for iPhone iPad, Android / windows Smartphones Tablets with bluetooth, notebook, etc