Mechanism: No Origin: CN(Origin) SIM Card Available: No System: ios System: Android OS GPS: No Type: On Wrist Compatibility: All Compatible ROM: <128MB Rear Camera: None RAM: <128MB Waterproof Grade: Life Waterproof Multiple Dials: Yes Battery Capacity: 120-180mAh Network Mode: None Style: SPORT Movement Type: Electronic Screen Shape: Square APP Download Available: Yes Case Material: Plastic Display Size: 1.3inches Band Material: Silica Gel Application Age Group: Adult Battery Detachable: No Band Detachable: Yes Compatible system: Android,ISO,Windows,PC Use: For Iphone Xiaomi All Smart Phone People: Gift for Women, Man,Girl,Boy,Ladies Compatible Phone: For Apple Xiaomi MI Oppo Huawei