High Fidelity Sound: 11mm vibrating diaphragm, CSR chip and Bluetooth 4.1 technology deliver high fidelity audio; CVC noise cancellation Built in mic for stereo sound and superb bass sound. Clear high & low volume, makes calls clear and stable IPX4 Waterproof: Sports Earbuds Design, Internal nano coating protects the headphones from heavy rains or sweat throughout intense exercises, and let you enjoy your gym time or outddor jogging, riding, hiking... Foolproof Operation: Control buttons on the headphones so that you can play and pause music, adjust the volume, skip tracks, answer and end calls, and activate the voice control of your phone with one simple operation on the headphones Long Playtime: Built in polymer lithium battery 9amh; 2 hours charge gives you up to 8 hours talk time/audio play time, enough to power your workouts with music for a week Comfortable and Stable: Lightweight and ergonomic design, customizable accessories with large, medium, and small size of gel eartips; soft silicon earhooks ensure comfortable and secure wear in even most intense workout For your convenience here is a link to assembly video: https://youtu.be/XLLYJTpSqHc. You can also search¡°15043 earphone headphone bluetooth INSTRUCTIONS¡± on youtube to locate the video.You can also download video by following this link: http://www.fixturedisplays.com/video/15043.AVI
