PREMIUM HD HIGH FIDELITY SOUND Featuring the latest Bluetooth 4. 1 CSR technology and state of the art acoustic components that produce incredible sound quality with deep bass and crystal clear treble. With CVC 6. 0 Noise Suppression technology, the Apebasics Noise Cancelling Headphones reduce background noise, so you can focus on your favourite music, no matter where you are. IPX5 WATERPROOF RATING With an upgraded IPX5 water-resistant and durable design, Apebasics Wireless Headphones prevent sweat and moisture damage thanks to its water-resistant material. Also, perfect for running, jogging, hiking, yoga, exercises, gym, fitness, travelling, etc. COMFORTABLE & SECURE FIT With an ergonomic design and silicone ear hooks, premium soft, smooth silicone gel surface, Ape Basics In-Ear Bluetooth Earbuds are secure behind your ears and rest comfortably in the ear canal to guarantee fatigue-free ears and tangle free comfort. Neckband design, no wires tangling, and it's easy to storage to your sports armband or arm package bag. 1. 5-HOUR QUICK CHARGE FOR 10 HOURS PLAYING TIME The New Lithium Polymer Battery Allows Seamless Enjoyment Of Music For Up To 5 Hours With a Quick Charge Of Only 1. 5 - 2 Hours. - Ape Basics Bluetooth Sports Headphones