Speed Blue
Sakura Pink
Spreadtrum SL8521E
512MB+4GB
GPS/AGPS/Beidou or Glonass/G Sensor/Wi-Fi/ Base Station
Nano SIM
2G: GSM B3/8
3G: UMTS B1/B8
4G: B1/3/7/8/20
Wi-Fi 2.4GHz, BLE 4.2
Accelerometer
Video call
Mic x1, Speaker x1
Up to 850 mAh
1.54'' 2D glass
Front camera, 2MP
TPU, Fits wrist: 135~200mm, Strap width:20mm
IP65
Micro USB
48.5*42*14.8mm
57g