High fashion item included high technology!The Bluetooth Bracelet is iPhone Accessory displaying date & time, incoming caller ID, and SMS information, etc. You will have high tech Bluetooth iPhone accessory and fashionable bracelet all-in-one! Features:1. Incoming call reminded with vibrating2. vibrating warning when over distance between your mobile phone and the bracelet(through Bluetooth communication)*3. Incoming caller ID display*4. OLED watch & fashionable bracelet5. Built-in Li-polymer battery (200mAh, rechargeable)6. Easy use & faraway from mobile phone radiation