Neckband Wireless HiFi Sound Headset w Retractable Earbuds Premium Earphones Headphones Hands-free Mic [Folding]. Specification: Working Distance: 10m. Charging Time: 3.5 hours. Talk Time: 18 hours. Music Time: 16 hours. Standby Time: 300 hours. Amazing Battery Life: Standby time up to 300 hours, music time up to 16 hours and talking time 18 hours, and you can see the battery indicator on your phone notification bar (it works for both Android and Apple). No need to worry about the battery life, just enjoy your trip and exercise! Crystal clear sound: Whether it is the calls or the music, the sound of this Wireless Headphones comes in very clearly and loudly. The overall voice quality for calling sounds natural and works great. Portable and Space-saving: Unique foldable design makes it easier to carry, can also save more space when putting in your bag. This Wireless headset is absolutely your best choice for daily life and holidays. Smart Neckband Design: Having the freedom to move around and free your hands for other things, without the hassle of wires dangling around your body, and don't need to worry that the earbuds will drop off. What You Get in the Box: 1 x Wireless Earphone, 1 x USB cable, 1 x User manual, 2 x Earbuds