Latest Bluetooth Wireless Headsets, Sweatproof, Comfortable Behind-ear Stereo Sports Earphones Headphones with Hands-free Calling, 7 Hours Super Long Talking Time and 8.5 Hours Music Time. (Blue) The latest headset designed for sports use, 100% stable. Sweat-proof and rainproof design make sure the headset is comfortable and secure for use by Running, Jogging, Biking,Camping, Hiking and other Outdoor Sports. Made by high quality and wear-resisting material, soft and good touch feeling. Cheetah's Stylish Behind-Ear provide super fashionable wearing experience. Bluetooth 4.0 , supports Apt-x/ A2DP Profile. Crystal and natural Stereo Sound with super audio performance, deliver Wireless Music and Calls functions, give you a convenient fashion life. High--Efficiency Battery Life: Up to 7 hours of calling time, 8.5 hours music playing time. low power consuming, free worry when you exercise out. Multi-Function : Support Support call, answer and redial the last number, extremely easy to control your every important calling any time.