ULTRA LONG BATTERY LIFE: The Bluetooth Ear buds work with a 180 mAh rechargeable lithium polymer battery that can last up to 15 hours or 500 hours standby time. Let them charge completely for 2 hours and then you will be able to listen to music nonstop for hours.
TRUE HIGH FIDELITY SOUND: Hi-Fi music, stable performance with Bluetooth V4.1 technology, CVC6.0 noise cancelling and CSR chips, allow you to take hands-free calls and control music settings.
TITANUM BLACK ALUMINIUM ALLOY COVER: The advanced IPX5 Waterproof technology and titanium black aluminium?alloy efficiently protects sport headphones from sweat and ensure longer guaranteed life span, perfect for running, hiking, exercises, gym, fitness, travelling.
ENHANCED COMFORT & WEARABILITY: The flexible silicone ear hook design holds the earphones in place, stay securely during your workout, three different ear tip sizes allow for a tight fit that helps reduce ambient noise.
A RISK-FREE PURCHASE: GET 100% SATISFACTION or get a refund/replace! 45 days no questions asked return policy and a 12-MONTH WARRANTY - your purchase is totally RISK-FREE!

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ASIN : B074BS8Q6C