PRODUCT FEATURES:1. Ergonomic design, comfortable to wear and easy to carry. Special color scheme, fashionable and attactive . 2. ABS housing and TPE cable , durable in use. 3. Can be used to play music and make calls. Compatible with most smartphones. It is recommended to buy it after trying. MATERIAL:ABS , Silicone, TPE,Nickel. STORAGE: Store in a dry place at room temperature. HOW TO USE: 1. Answer/ hang up a phone call .2. Click once to play/pause music. Click twice to play the next tract. Click three times to play the previous track. CAUTION: Do not drag the cable. Protect it from fire and water . Do not contact with wet objects.