LED Screen Show Caller</br>Call answer and message reminder</br>OLED Capacitive Touch Screen Display</br>Calorie counter and walking distance</br>Pedometer Function</br></br>Product Description</br></br>Bluetooth Smart Bracelet Upgrade mobile phone partner with Bluetooth V3.0 <br> Contact list synchronization <br> Message reminder <br> Support incoming call reminding and caller ID display <br> 2.5D curved sapphire capacitive touch screen <br> Display Screen: 1.5 inch screen 3D Gyroscope gravity sensor Pedometer <br> Calorie counter and walking distance display <br> <br>Internal Memory with MP3 music (No need to connect with mobile phone) <br> Internal battery: 405mAH <br> Internal memory: 64 MB + 128MB <br> Speaker: 1 watt microphone: 38DB Flat vibrating motor:8 x 2.7mm Frequency of communication:2.4 GHz Charging time: 2 to 3 hours Standby time: 208 hours Charging: DC-5V-1A(Please check the charger specification when charging) Charging Interface: Universal Standard for Micro - USB</br><br/>http://www.amazon.com/gp/product/B010V6J88W