Bluetooth Earphones, Willful Wireless Bluetooth Earbuds Sport Running Gym Exercise Stereo In-Ear Noise Canceling Bluetooth Headphones with Microphone Sweat-proof for iPhone Samsung Android (Pink) HD stereo sound:With bluetooth 4.0 tech and Noise isolating in-ear design ensure high-fidelity stereo music and clear speech Strong Wireless Signal: you can enjoy skip-free music or phone talk in a 10-meter working distance.Microphone,Song/Volume control Enabled Sport Earphones:Ergonomically designed to comfortably fit the contours of your ear, soft ear hooks and interchangeable ear tips keep the earphones in place while walking, running, and exercising Exercise-proof & Sweat-proof design guarantee 100% Stable and Comfortable when exercising, running, climbing, driving, skating,camping, fishing and other outdoor sports. Universally compatible with most Bluetooth-enabled phones.And built-in extra-long battery allows up to 5-hour talking/playing time and 180 hours standby.