Redmi Band 4
The Redmi Band 4 has up to 8 days of battery life and water resistance to 50 m. It is priced around $24.
- $24
Redmi Band 4 Battery & Charging
| Battery life | 8 days |
|---|---|
| Charging time | 120 min |
| Charging | Magnetic charging |
Redmi Band 4 Display
| Screen size | 1.47 in |
|---|---|
| Peak brightness | 450 nits |
| Display type | TFT LCD |
| Resolution | 172 x 320 |
| Screen protection | 2.5D curved cover glass |
Redmi Band 4 Health Sensors
| Heart rate | Yes |
|---|---|
| ECG | No |
| Blood oxygen (SpO2) | Yes |
| Heart rate variability | No |
| Skin temperature | No |
| Blood pressure alerts | No |
| Irregular rhythm alerts | No |
| Breathing rate | No |
| Sleep tracking | Yes |
| Stress tracking | Yes |
Redmi Band 4 GPS & Navigation
| Built-in GPS | No |
|---|---|
| Dual-band GPS | No |
| Offline maps | No |
| Barometer | No |
| Compass | No |
Redmi Band 4 Smart Features
| Contactless payments | Yes |
|---|---|
| Music storage | No |
| Calls from the wrist | No |
| Cellular (LTE) | No |
| Wi-Fi | No |
| Notifications | Yes |
| Fall detection | No |
| Emergency SOS | No |
| Software | Xiaomi HyperOS |
| Works with | Android & iOS |
| Voice assistant | No |
Redmi Band 4 Design & Durability
| Weight | 18 g |
|---|---|
| Thickness | 10.2 mm |
| Water resistance | 50 m |
| Military-grade toughness | No |
| Case size | 43.5 mm |
Redmi Band 4 Price & Colors
| Colors | Black, Silver |
|---|---|
| Release year | 2026 |
