Shanren Armband Heart Rate Monitor ANT+Bluetooth Riding Cycling Running Outdoor Sports Optical Fitness HRM Sensor

Origin: CN(Origin)Model Number: SR830Function: Detect real-time heart rate dataHeart rate monitor size: L46.5xW29xH12 mmHeat rate meter range: 40bpm~220bpmHeat rate meter accurate: + / -5 bpmRange in open area: up to 60 mOperation temperature: -10°C ~ +50°CStorage temperature: -20°C ~ +60°CBattery type: rechargeable Li-ion batteryFull charging time: 1.5 hoursBattery life: Up to 60 hoursWaterproof standard: IP67Wireless transmission: BLE5.0, ANT+Memory: 7days heart rate ,calories and pedometer dataRF transmission range: up to 60mStrap length (length can be selectable): 350mm (Upper - arm circumference 18 - 32 cm)