Product R3 Color Black, Gold Weight 33g (Including strap) Dimensions 35.5*41.5*11 mm Mechanical Screen Size 1.3" Screen Type TFT-LCD Screen Cover 2.5D-curved Tempered Glass Bottom Material enhanced PC case Strap Material TPU strap + metal buckle Hardware CPU Realtek8762C G-sensor Support Accelerometer Support Motor Support GPS No Screen 1.3" TFT-LCD Screen Resolution 240*240 Flash 384KB RAM 160KB Bluetooth 5.0 Power Standby time with Bluetooth connected >20-30 Days Typical daily use 5-7 days Battery type Lithium polymer battery Battery capacity 220mAh Charging method Magnetic charging Charging time ? 2 hours Function 8 Languages Support English, German, French, Italian, Spanish, Japanese, Russian, Portuguese Reminder call reminder, text message reminder, sedentary reminder, alarm clock reminder Dial Customized Dials Pedometer exercise step count, calorie consumption calculation, exercise mileage record; Sleep monitoring sleep quality monitoring Heart rate All-day heart rate monitoring: 24-hour uninterrupted high-precision heart rate detection, focusing on and understanding your health 12 Sport modes Outdoor running, walking, yoga, jumping, cycling, mountaineering, badminton, spinning, basketball, swimming, indoor running, tennis, free training 0ther functions stopwatch; countdown; music control; breathing training, brightness adjustment; raise the hand to brighten the screen; APP download QR code; Notification reminder (IOS \ Android) Twitter, Facebook, Linkedin, whatsApp, Line, lnstagram, snapchat, skype and other timely information; SMS push, incoming call push; Time setting synchronization; Package List R3 Smartwatch x1 Strap x1 Charging Cable x1 User Manual x1