Walker xoss heart rate arm with bicycle running heart rate monitoring $ 35.39 Product Information: Model: Arm Heart Rate Belt Size: 46.4834.58.11.58mm Weight: 55G Battery: Rechargeable lithium battery 90mAh Battery life: 20 hours Communication method: Bluetooth 4.0, ANT+ Chest heart rate belt: 66' 38 11.7mm39g Bluetooth: 4.0, ANT+ Wearing style: Wear on the elbow, above or below, in the vertical position of the middle of the chest Packing: Armband heart rate monitoring G+ code meter accessory x1
