Display: 0.96 inch color touch screen Sync: Bluetooth 4.0 Synchronization range: 5-10 meters Battery Capacity: lithium 60mAh battery, Charging time: 1 to 2 hours Standby time: about 10 days Support IOS 8.0 Android4.3 & Above More functions: Remote camera, sleep tracking, GPS ...Display: 0.96 inch color touch screen Sync: Bluetooth 4.0 Synchronization range: 5-10 meters Battery Capacity: lithium 60mAh battery, Charging time: 1 to 2 hours Standby time: about 10 days Support IOS 8.0 Android4.3 & Above More functions: Remote camera, sleep tracking, GPS activity tracker, Heart Rate monitor, Blood Pressure tracker IP67 Waterproof: you can wear it to swim, rain, wash hands Call & SMS & social message alert: Message smart remind, remind you anytime, anywhere. Language support: professional band can only switch to Chinese or English. But its APP application supports the mobile phone default languages, such as: Chinese, English, French, German, Portuguese, Spanish, Italian, Japanese, Korean, Russian etc 1 x Smart Watch, 1 x Charging Cable,, 1 x Instruction Manual( English)