A Heart Rate Monitor Chest Belt is the perfect tool that provides immediate， continuous and convenient Heart Rate during all form of exercise. Training， running， biking， hiking， swimming， losing weight. This heart rate chest belt can be used as your exercise aids， motivational tools， trendy accessories， data analysers and personal trainer， aiding you on your journey towards your health and fitness target. Sports change life， sports create a miracle. Listens to your body's voice.

Features:
Bluetooth 4.0， low energy.
Effectively tracks and records your heart rate while you are working out.
Provides instant feedback on how hard your heart is beating.
Adjustable soft chest belt strap for comfortable fit.
Waterproof， does not transmit data while swimming.
Works with many fitness and sports apps.
Battery life: Up to 3 years based on 1 hours per day useage.
Compatible with most industry leading smartphones with Bluetooth 4.0 interface and many more androids with 4.3 and above， check your phone before you buy.

Specifications:
Item Type: Heart Rate Monitor
System: Bluetooth 4.0
Color:Black
Chest Belt Battery: 1 * CR2032
Material:  ABS !#!amp!*! PU
Voltage: 3V
Chest Belt Weight: 53.4g / 1.88oz
Package Size: 14.3 * 5 * 4.6cm / 5.6 * 1.97 * 1.8in
Package Weight: 67.2g * 2.36oz

Package List:
1 * Chest Belt (Batteries Included)
1 * Instruction Manual