Bluetooth Headphones Smarteck Qy8 Wireless Earbuds Bluetooth Earbuds for running , Wireless Stereo Bluetooth V4.1 Sweatproof Sport Running & Gym Exercise Noise-reduction Sport Earbuds with Mic APT-X PERFECT LOSSLESS HIGH-QUALITY SOUND. Apt-X audio coding technology from CSR offer high quality stereo sound, with Noise-Isolating design you'll get awesome listening experience. HIGH-QUALITY POLYMER BATTERY, SUPER ENDURANCE. Built-in high performance polymer 80mAh battery, 7 hours talking/playing time, and about 175 hours standby time. COMFORTABLE FIT THE EAR CANAL, EASY TO WEAR AND REMOVAL. With an assortment of three different sized ear gels and three different sized Ergonomic design ear stabilizers, you're guaranteed an excellent fit. The cable smartly stays out of your way when running, jogging or exercising. NOT ONLY MUSIC, BLUETOOTH PHONE STILL HD. High quality sound, providing a comfortable and dynamic listening and talking experience. THE APP SOFTWARE INTELLIGENT 99% COMPATIBLE. Suitable for 99% music and voice APP, easily connect APP with wireless.