Sensors::optical heart rate sensor (PPG) and accelerometer
Design – in partnership with Amazfit, Xiaomi released an international version of the Amazfit Arc, named the Xiaomi Amazfit A1603 smartband. The wearable has the same specifications with the .42 inch UV coated scratch resistant OLED screen display. It has a small display screen but still it looks good with its unique design, and its TPU band. The smartband looks sporty and not too intrusive compared to other sportband. It is also IP67 waterproof and available in black color only.
Under the Hood – connected to your smartphone via Bluetooth 4.0, the band has internal memory of 128KB + 8MB. The smartband features pedometer and an optical heart rate sensors (PPG). Additional features include distance traveled, calories burned, Sleep monitor, Call / Message reminder with callers name, it can also provide notifications form social app like Facebook, G-mail,Twitter,Wechat and WhatsApp.
Unlike other band that is limited only to 2-3 alarms, the Xiaomi Amazfit A1603 has at least 10 group alarms, and other features with 70 mAh lithium-ion battery the smartwatch has a standby time of 60 days.