Bluetooth Headphones Upgraded features: 1. IPX7 Waterproof Protection Internal nano-coating protects the bluetooth earbuds with microphone from heavy rains. Just enjoy your time when running, jogging, riding, or in the gym. 2. CVC Noise Cancellation With CVC noise cancelling mic, the headphones get rid of static and environmental noises during phone calls, so that you can have clearer and more stable calls. 3.Comfortable Wearing You can choose ear-tips of X small,small, medium or large sizes (included in package) that you are comfortable with. Ergonomic ear hooks keep the earbuds Bluetooth wireless headphones firmly in position while you exercise. 4.Long Play Time One charge gives you up to 12 hours talk time/audio play time, enough to power your workouts with music for a week. Special Feature: Water Resistant, Sports andamp; Exercise, Lightweight, Microphone Feature, Noise Cancellation Specifications: Operating Range: Up to 33 feet/10 meters (No obstacle between) Standby time: 300 hrs Charging time: 1-2 Hours via Micro-USB cable Talk/Playing time: about 12 hrs Earphone Type: In Ear / Ear Hook BT Standard: V4.1 Microphone: Built-in What is in the package: -Bluetooth earphones x 1 -Eva bag x 1 -Micro USB cable x 1 -Eartips x 4 pairs (large, medium,small,extra small) -User manual x 1