Wireless Bluetooth Earphones, Bluetooth Headphones, Toullfly&reg; Stereo Bass Sports Earphones Earbuds, Lightweight Sweatproof In-Ear Headset with Mic for iPhone 6s for Cycling Running (Red) Talk/Music playtime:about 6.5 hours; Charging time:about 2 hours;Strong Wireless Signal: you can enjoy skip-free music in a 10-meter working distance High Quality Guarantee: Noise cancellation makes you enjoy a clear sound in noisy environment. Clear bass resonance, and superior sound isolation. Lightweight sweatproof comfortable in-ear for cycling running gym walking and other sports, we also gift a pair of wing stabilisers for more steadily stay in your ear; Unique neck-strap design for easy carrying, simple-to-use: control all functions of your music (volume, sound, song selection) and calls via simple-to-use user interface on the headphones; Connect with 2 Bluetooth Devices Simultaneously: will never miss a phone when enjoying music. This is a great convenience for those who use two cell phones, without switch the headsets