Bluetooth Headphones , CENDA Hands-free Calling Earbuds Q9 Wireless Bluetooth 4.1 Stereo Sport Headset Earphone with Built-in Mic for iPhone, Samsung, Android Smartphones (Black Green) SUPER EASY USING AND COMFORTABLE FIT: This wireless earbuds is carefully designed according to ear geometry for secure and comfort wear, perfect angle and 3 sizes of ear cap,there is always a will for you. Only 0.17 oz for one, not easy to slip out, allow running, jogging, and high intensity activities to be enjoyable TRULY WIRELESS: TWS technology allows wireless synchronous connection stereo pairing come true without any wire obstacle. The best workout sweatproof earpods is designed for sport activities, let you enjoy yourself while running. SUPERB SOUND QUALITY: Latest Bluetooth V4.1+EDR with TWS technology on both earbuds, provides faster pairing, stable connection and signal transmission (3ft no-obstacle range). Noise cancellation technology reduces ambient noise and echo, enable clear sound no matter in calls or in music time LONGER BATTERY LIFE AND CHARGING CASE: You can have over 2.5 hours to 3 hours music playtime on mono mode. While the super musical earbuds power can last up to 15 hours with on the go charging case(2 times full charge). You can have all work/school day stay relaxed and concentrative WHAT YOU GET: One Pair True Wireless Earphones, Charging Case, 3x EarTips, Micro-USB Cable, one month no reason money-back guarantee and 18 moths Replacement Warranty, support 7*24h technology service, 24 hours quick reply