Model: SN837
SN837 heart rate monitor / oximeter
55 Euro
Multifunctional sports sensor. It allows you to receive information on heart rate, stress, Vo2Max, body temperature, energy expenditure, endurance, and fatigue.
When ordering 10 or more pieces, you can place your own logo on the device.
This smart bracelet, which includes a heart rate monitor, can be worn on the shoulder, forearm, or wrist. Practical for various types of training, it offers accurate heart rate measurement and includes numerous auxiliary sensors.

Device details
The built-in battery allows for extended use of the sensor (50 hours of continuous heart rate monitoring). It automatically detects when the device is worn and requires no further activation.
Sensor details
It allows you to measure not only pulse, but also indicators of stress, respiration, endurance, maximum power, VO2Max, oxygen saturation (SpO2), body temperature, number of steps, calories burned and distance traveled.
| Functions | Real-time detection of heart rate, body temperature, VoMAX, respiratory rate, and emotional level |
| SpO2 | Oximeter (SpO2) and pedometer |
| Device dimensions | L47 x l30 x H11 mm / 12.6 gr |
| Heart rate detection range | 40 bpm to 220 bpm |
| Heart rate monitor accuracy | +/-5 bpm |
| Transmission range in open field | Up to 60 m |
| Operating temperature | -10 °C to +50 °C |
| Storage temperature | -20 °C to +60 °C |
| Battery type | Rechargeable Li-ion battery |
| Charging time | 2 hours |
| Battery life | Up to 50 hours |
| Waterproof rating | IP67 |
| Wireless transmission | BLE, ANT+ |
| Memory | 48 hours of heart rate, 7 days of calories and pedometer data |
| Bracelet length (adjustable bracelet) | 350 mm (arm circumference: 18 cm - 32 cm) |










