Xiaomi has launched the Redmi Band 4 in China, priced at ¥169, which is approximately $25. The device features a 1.47-inch display with a resolution of 172 x 320 pixels and a peak brightness of 450 nits. The casing is metallic, with a weight of 18 grams without the strap and dimensions of 43.5 x 25.8 x 10.2 mm.
The wearable is equipped with a 300 mAh battery, offering up to 21 days of operation in power-saving mode or 8 days with regular health monitoring. It supports Bluetooth 5.3 BLE for connectivity and is compatible with Android 8.0 and iOS 14.0 or newer via the Xiaomi Fitness app.
The device includes 50 training modes and a 5 ATM water resistance rating. Health tracking features cover heart rate, stress levels, blood oxygen saturation, and sleep quality. Additional utilities include music and camera control, a timer, a stopwatch, an alarm, weather forecasts, and a phone finder function.
