| Product Name |  Amazfit Arc A1603Xiaomi Mi Band 2 |  
| Product Image |  ![]() ![]()  |  
| Price | |
| Our Rating | |
| Brand | Huami Xiaomi | 
| Category | Smart Band Smart Band | 
| Release | October, 2016 June, 2016 | 
| Device Name | Xiaomi Huami Amazfit Arc Xiaomi Huami Mi Band 2 | 
| Device Type | Smartband Fitness Tracker Smart Band | 
| Ideal for (Gender) | Both Men & Women Both Men & Women | 
| Device Model | Amazfit A1603 | 
| Box Items | 1 x Xiaomi Amazfit Arc Smartband, 1 x USB Charger, 1 x Chinese-English User Manual | 
| Predecessor | Xiaomi Mi Band | 
| Shape | Ractangle Ractangular | 
| Case Dimensions | 24.80 x 1.90 x 1.10 cm 22.50 x 1.57 x 1.05 cm | 
| Case/Bezel | Aluminum + PC Thermoplastic copolyester | 
| Strap Material | TPSiV Thermoplastic elastomer | 
| Strap/Band Size | 24.5 x 1.6 cm | 
| Replaceable Band | Yes | 
| Weight | 20 g 19 g | 
| IP Rating | IP67 IP67 | 
| Water Resistance | Yes Yes | 
| Colors | Black Black, Orange, Green, Blue | 
| Other Information | - | 
| Type | OLED OLED | 
| Screen Size | 0.42 inch 0.42 inch | 
| Screen Resolution | 72x40 pixels - | 
| Pixel Density | - - | 
| Multi Touch | Single Touch Key Single Touch Button | 
| Screen Protection | UC Coated Scratch Resistant Screen - | 
| Operating System | Proprietary OS Proprietary OS | 
| Chipset | Dialog DA14681 DA14681 | 
| CPU | - - | 
| GPU | - - | 
| RAM | 128KB - | 
| Internal Memory | 8MB - | 
| SD Card Slot | No - | 
| Distance | Yes No | 
| Heart Rate | Yes Yes | 
| Steps | Yes Yes | 
| Sleep | Yes Yes | 
| Bluetooth | Bluetooth 4.0 Bluetooth 4.2 BLE | 
| GPS | No No | 
| WiFi | No No | 
| NFC | No No | 
| USB | No No | 
| Radio | No No | 
| Touch | Touch Key Yes | 
| Watchface | Digital Digital | 
| Voice Command | No No | 
| Personal Assistant | No No | 
| Smartphone Compatibility | Android 4.4+ and iOS 9.0+ Android 4.4 + / iOS 7.0 + | 
| Smartphone Companion App | Amazfit - Activity Tracker App Mi Fit App | 
| Activity Alert | Yes Yes | 
| SMS | Yes Yes | 
| Yes Yes | |
| Incoming Call Alert | Yes Yes | 
| Calendar Reminder | Yes - | 
| Weather Forecast | Yes - | 
| Accelerometer | Yes Yes | 
| Gyro | - - | 
| Heart Rate | Yes Yes | 
| Light | - - | 
| Compass/Magnetometer | - - | 
| Vibration/Haptics engine | Yes Yes | 
| Other Sensors | - Pedometer | 
| Speaker | No No | 
| Microphone | No No | 
| Capacity | 70mAh 70 mAh | 
| Battery Life | Up to 20 Days 10 Days | 
| Standby | - 30 days | 
| Talk-Time | - - | 
| Wireless Charging | Yes - | 
| Charging Time | 3 Hours - | 
| Quick Charging | - - | 
| Language | English, Chinese English, Chinese | 
| App Store | No No | 
| Builtin Payment Service | No No | 
| Bluetooth Music | No No | 
| Other Features | - No |