Main Features: - In-coming call reminder: Set in-coming call reminder function from the APP, then M106 bracelet will vibrate when there is call coming. - Sleep management. - Pedometer: Distance and calorie management. - Battery: Built in non-removable lithium battery, just need to charge 2 hours then can be filled, it’s very convenient and quick. - Alarm: Set alarm function from the APP, then M106 bracelet will vibrate when the alarm starts. - Support devices: iPhone 4S / 5 / 5S / 5C, iPad 3 / mini / air, Nexus 4 / 5 / 7, Samsung S3 / S4 / Note 3. (Android phones require 4.3 or later, supports Bluetooth 4.0) - The watch dial can be taken out from the strap, then you can makes you choices.   Bluetooth 4.0 Water resistant NO Language -English Screen -OLED Battery type -Lithium battery Standby time -100 hours Functions- Calorie burns measurement, Distance measurement, Sleep monitoring, Incoming calls show   Shape of the dial -Round Case material- PVC Band material -TPU The dial thickness- 0.5 cm / 0.2 inches The dial diameter- 4.0 cm / 1.6 inches The band width 1.8 cm / 0.7 inches Product weight 20 g Product size (L x W x H) 24.2 x 4.0 x 0.5 cm / 9.5 x 1.6 x 0.2 inches   Package contents -1 x Smart Watch, 1 x Manual, 1 x Charging Cable