High Quality Sound Featuring latest bluetooth 4.1 and APT-X + EDR audio decode tech, It can produce deep bass and treble without being muddy or fuzzy. Built-in Mic allows you make hands-free calls easily. The CVC6.0 noise-cancellation technology ensures clear speeches even in noisy environment. Sports in ear bluetooth headphone Equipped with different sizes of earbuds, help you hold the earbuds firmly without falling out while exercising ,it offers you secure and snug fit.perfect for doing excerise, running, Jogging Intelligent Energy Saving This Sports in ear Headphones is designed to save energy in which the headset quit pairing after three minutes, then enters into standby status, and will shut down automatically without operation in two minutes Universal Capability They support the following functions: music playback, pause, skip tracks, last number redial, caller ID and headset operation volume controls. They also compatible with in-car navigation systems. How to play: When playing music or calling, press the Multifunction buttons for 2 seconds at the sound of a "du", will automatically switch sound, default is heavy bass.There are three kinds of sound effect is heavy bass, middle and high. Each press for 2 seconds can change another sound effect. Long battery performance,More time doing. Battery is built-in 90mAh lithium-ion polymer that contributes the headset stand-by up to 240 hours and playtime up to 8 hours, and full charge takes about 2 hours. Seller Warranty 30-Day Money Back Guarantee 18 Month Replacement Warranty
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