2016 Tehmis Qy7 Mini S601bt Wireless Bluetooth Earphone Sports Headphones Running Gym Exercise Sweatproof Headsets In-ear Stereo Earbuds Noise Cancelling Earphones with Microphone (Blue) QY7 UPGRADED VERSION*** TEHMIS S601BT Bluetooth 4.1 plus Enhanced Data Rate 4G Mobile Wireless Service coexistence signalling easy to pair with two devices simultaneously. Can be paired with 99% Bluetooth-enabled devices and Apps. HIGH-FIDELITY STEREO SOUND*** Wireless Bluetooth Headphones with built-in HD microphone and CVC6.0 noise cancellation and audio enhancement technology to ensure super Stereo Music Sound with strong signals within 10 meters. Ceramic Antenna make sure stable and strong Signal. Best workout wireless Bluetooth headphones let you enjoy higher quality and clearer voice even in noisy environment like gym, outdoors or during exercise. LONGER BATTERY TALK AND STAND-BY TIME*** The earphones have a high-quality Li-ion battery that gives up to 240 hours of standby time. Upgrade Bluetooth technology help saving more power, therefore device achieve above 8 hours talking or music time from a 2 hour charge. EASY TO USE*** Easy to use instant connectivity to multiple devices for listening to music or phone calls while the move or exercising. Behind the neck design means you can avoid interference that can restrict your movement. ONE YEAR WARRANTY*** TEHMIS S601BT Wireless Bluetooth Headphones come with a one year parts warranty and a 30 days money back guarantee.