Studies have confirmed what fitness enthusiasts have always known--listening to music helps you work out harder and improves your endurance. Have you ever had some trouble?-- Headset often fall during exercise? The headset noise reduction is very poor, often hear the gym and outdoor noise? Battery life is short, not enough for you all day use? Please use the KONCEN X21 Bluetooth headset, these problems will be solved. Designed for Sports The flexible over-the-ear hooks help you hold the earbuds firmly without falling out while exercising. Equipped with different sizes of earbuds, it offers you secure and snug fit. Noise Cancellation design The CVC6.0 noise-cancellation technology ensures clear speeches even in noisy environment. Two models robust ergonomic ear sleeves in various sizes ensure best custom fit and noise isolation for casual use and sports. 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. WARM PROMPT: Anytime you feel the sound not good, please change the different size Ear Tips immediately, as the sound quality can be affected by the fitness with the different size Ear Tips to your Ear. Specification: Bluetooth standard: V 4.1 Playing time: 8 hours Charge time: 2 hours Transmission range: 10m(33ft) Noise reduction: CVC6.0 Power display: Support IOS system power display Bluetooth profile: A2DP, AVRCP, HFP, HSP Package Included: 1 x KONCEN X21 bluetooth headphones1 x User manual 2 x Different Size Ear Tips 1 x Micro USB charging cable
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