Main Features Mechanism: No Origin: CN(Origin) SIM Card Available: No System: None GPS: No Type: On Wrist Compatibility: All Compatible ROM:<128MB Function: Passometer Function: Fitness Tracker Function: Sleep Tracker Function: Message Reminder Function: Call Reminder Function: Push Message Function: Alarm Clock Function: Power Reserve Function: Heart Rate Tracker Function: Noctilucent Rear Camera: None Language: english Language: Russian Language: Spanish Language: POLISH Language: Portuguese Language: Turkish Language: Italian Language: French Language: German Language: Ukrainian Language: Dutch Language: Greek RAM:<128MB Waterproof Grade: Life Waterproof Multiple Dials: Yes Battery Capacity: 120-180mAh Network Mode: None CPU Model: HS6620D Style: Fashion Movement Type: Electronic Screen Shape: Square Resolution: 240*240 APP Download Available: Yes Case Material: plastic Display Size: 1.3 inches Band Material: Silica gel Application Age Group: Adult Battery Detachable: No Band Detachable: Yes Specification