Have a happy shopping! Bluetooth 4.0 Battery 50mA Polymer Lithium-ion Charging Time1 hour Standby time 7 days or so Working hours 3-5 days WaterproofLife Waterproof Operating Temperature-10 to 45 Storage Temperature-20 to 60 Support IOS 7.1 and Android 4.4 or above Synchronization Range3mtheoretical rang is 10m without any interference Waterproof level: IPX5 Pedometer: yes Calorie counter: yes Heart rate: yes 1. Multi Functions SMS, information, call reminders, Heart rate monitor and blood pressure monitor, Sleep monitor, check sleep trend chart to view your sleep time and quality. 2. Convenient Bluetooth synchronization, and the data synchronization does not require cable. When the Bluetooth is disconnected or the phone is out of the Bluetooth distance, the watch will alert you. It adopts USB direct charge. 3. Remote Camera it can take photos by phone through remote control of the wristband. 4. Activity Tracker recording your daily activity steps, distance, time, calories; check and share your data anytime. 5. Anti-lost the wristband will remind you with vibration when your phone is 5m away from you. 6. Sedentary reminder you can set it to remind you to walk or exercise after a long time sit. 7. IPX5 Waterproof smart bracelet from water Not for swimming or taking a shower. size20CMThank you for coming to our store
