The Mi Band 4 features a 0.95-inch colored AMOLED display, which is around 39.9% bigger than the previous model, has a 2.5D glass on top and offers a 240 x 120 pixels screen resolution. It offers up to 5ATM (50 meters) of water resistance, and NFC support to allow users to make payments through AliPay and WeChat Pay. In terms of activity tracking, the band features 6-axis high-precision sensors that can easily recognize different types of swimming strokes including Freestyle, Backstroke, Butterfly stroke, and Medley, along with the ability to track 6 different sport modes like indoor running, outdoor running, exercise, swimming, cycling, and walking. In addition, the band also comes with support for Xiao AI voice assistant, which can be triggered to control Xiaomi’s IoT devices. The Mi Band 4 offers up to 15 days of battery life on the NFC variant and up to 20 days battery life on the standard, non-NFC variant, on a single charge.
Mi Band 4 Specifications
0.95-inch (240 x 120 pixels) AMOLED display 5ATM (50 meters) water resistant Microphone, Heart rate sensor Tri-axis Accelerometer + Tri-axis Gyro, Capacitive Wear Monitoring Sensor Bluetooth 5.0 LE, NFC (only on NFC variant) 135mAh (Standard variant) and 125mAh (NFC variant) battery with 20 days and 15 days battery life respectively
Mi Band 4 Pricing and Availability
The Mi Band 4 comes in five color options: Black, Brown, Blue, Orange, and Pink, and in two variants: an NFC variant and a Standard (non-NFC) variant, priced at CNY 229 (~ USD 33 / INR Rs 2300) and CNY 169 (~ USD 24 / INR 1700), respectively. As for the availability, the band will go on sale in China, starting June 16.
