Xiaomi Band 4 Global Version

➡️RAM: 513kB
➡️ROM: 16MB
➡️Sensors: 3-axis accelerometer + 3-axis gyroscope;
➡️PPG heart rate sensor; Capacitive proximity sensor
➡️Wireless connectivity: BT5.0 BLE
➡️Battery: Lipo, 135mAh
➡️Charging Type: 2pin Pogo Pin
➡️Charging Time: 2 hours
➡️Standby Time : Up to 20 days
➡️Water Resistance Rating: 5 ATM
➡️Display Type : AMOLED
➡️Screen Size: 0.95”
➡️Resolution: 120 x 240 RGB
➡️Color Depth: 24bit
➡️Screen Brightness : Up to 400 nite ( max brightness )