Vtin Sports Headphones Bluetooth 4.1 Noise Isolating Wireless Headset w/ Microphone Light-weight for iPhone 6s 6s plus Galaxy S6 S5 and Other Bluetooth Enabled Phones, Yellow High Quality Sound. With advanced APT-X technology(widely used in the field of professional audio and broadcast domains), the sport headphones deliver high fidelity and stereo sound without lossless. Build-in HD Mic and CVC noise-cancellation technology provides you crystal clear speech. Suitable for Sport. Only 0.5oz design makes it lightweight. Equipped with different sizes of earbuds and earhooks, the Bluetooth earphones offers you stable and snug fit. It is a great choice for work out. Enjoy music when running, climbing, cycling or other outdoor activities. Upgraded Bluetooth Version. Outfitted with wireless Bluetooth4.1 version and CSR8645 chipset, the signal performance improved a lot and it supports 33 feet working distance. Compatible with most Bluetooth-enabled devices. Ultra-long Battery Life. High-quality polymer lithium battery offers you about 5 hours playing time and 175 hours standby time. The battery status can be displayed on the IOS system for convenient use. Simple-to-Use. The wireless earbuds allows you to pair with 2 devices simultaneously. On-board controls let you easily navigate your own music. Adopted delicate package, it is suitable for gift giving and reselling.