Oraimo Watch ER OSW-42 vs Xiaomi Smart Band 9
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At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Oraimo Watch ER OSW-42 |  Xiaomi Smart Band 9 |
|---|---|---|
| Price | KSh 7,000.00 | KSh 9,500.00 |
| Display | 1.43-inch AMOLED touchscreen | 1.62-inch AMOLED touchscreen |
| Battery capacity | 300 mAh, 4.35 V lithium-polymer battery | 233 mAh nominal |
| Water resistance | IP68; suitable for hand washing and cold showers, not diving or scuba diving | 5 ATM rated for suitable shallow-water activities |
| Health & wellness features | Heart rate, blood oxygen and activity tracking; wellness readings are not intended for medical diagnosis | Heart rate, blood oxygen, stress, cycle and activity tracking; wellness data is not intended for medical diagnosis |
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Full specifications
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Identity & design
| Specification | Oraimo Watch ER OSW-42 | Xiaomi Smart Band 9 |
|---|---|---|
| Brand | Oraimo | Xiaomi |
| Model | Watch ER (OSW-42) | Xiaomi Smart Band 9 |
| Announced | — | July 2024 |
| Dimensions | 53.6 × 46 × 12.3 mm without strap | 46.53 × 21.63 × 10.95 mm (strap and protrusions excluded) |
| Weight | 49.8 g with strap | 15.8 g (strap excluded) |
| Build materials | Zinc-alloy, ABS and polycarbonate case with silicone strap | Metal frame with TPU strap; finish varies by color |
| Wrist size | — | 135–210 mm |
| Strap / band | Removable silicone strap | TPU strap |
| Controls / buttons | Touchscreen and physical buttons | AMOLED touchscreen |
Display
| Specification | Oraimo Watch ER OSW-42 | Xiaomi Smart Band 9 |
|---|---|---|
| Display | 1.43-inch AMOLED touchscreen | 1.62-inch AMOLED touchscreen |
| Screen resolution | 466 × 466 pixels | 192 × 490 pixels |
| Display features | Up to 600 nits peak brightness | Automatic brightness; adjustable up to 1,200 nits |
Connectivity
| Specification | Oraimo Watch ER OSW-42 | Xiaomi Smart Band 9 |
|---|---|---|
| Bluetooth | Bluetooth 5.2 | Bluetooth Low Energy |
Audio & communication
| Specification | Oraimo Watch ER OSW-42 | Xiaomi Smart Band 9 |
|---|---|---|
| Speaker | Built-in speaker | — |
| Microphone | Built-in microphone | — |
| Calling | Bluetooth calling when paired | — |
Sensors, health & fitness
| Specification | Oraimo Watch ER OSW-42 | Xiaomi Smart Band 9 |
|---|---|---|
| Sensors | Optical heart-rate and blood-oxygen sensors plus step counter | Accelerometer, gyroscope, optical heart-rate sensor, and ambient-light sensor |
| Health & wellness features | Heart rate, blood oxygen and activity tracking; wellness readings are not intended for medical diagnosis | Heart rate, blood oxygen, stress, cycle and activity tracking; wellness data is not intended for medical diagnosis |
| Sleep tracking | Sleep tracking; data may be retained on the watch for seven days before sync | Sleep monitoring and breathing-quality insights |
| Sports / workout modes | More than 100 sports modes | More than 150 sports modes |
Battery & durability
| Specification | Oraimo Watch ER OSW-42 | Xiaomi Smart Band 9 |
|---|---|---|
| Battery capacity | 300 mAh, 4.35 V lithium-polymer battery | 233 mAh nominal |
| Battery life | Up to 7 days use | Up to 21 days typical use; actual life varies by settings and use |
| Charging | Magnetic charging cradle | Magnetic charging; approximately 1 hour |
| Water resistance | IP68; suitable for hand washing and cold showers, not diving or scuba diving | 5 ATM rated for suitable shallow-water activities |
Compatibility
| Specification | Oraimo Watch ER OSW-42 | Xiaomi Smart Band 9 |
|---|---|---|
| Phone compatibility | Compatible Android and iOS smartphones | Android 8.0 or later; iOS 12.0 or later |
| Companion app | oraimo Health app | Mi Fitness |
| Colors | Black | Midnight Black, Glacier Silver, Mystic Rose, Arctic Blue, or Titan Gray |
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