Features:
Led Light for Visibility During Low-Light Workouts
Accurate Real-Time Heart Rate Tracking with Advanced Ecg Processing Circuit
Bluetooth and Ant Connectivity for Compatibility with Fitness Equipment and Apps
Ip67 Waterproof Rating for Splash Protection
Long Battery Life of 800 Hours with Replaceable Cr2032 Battery

Specifications:
Product Model: Hs500
Product Type: Chest Strap Heart Rate Monitor
Weight: 13G (Monitor Only)
Unit Size: 57.6x33x11 mm (Monitor Only)
Supported Chest Size: 64-86 cm (2 cm )
Heart Rate Unit: Bpm
Wireless Interface: Bluetooth 4.2, Ant
Battery Model: Cr20321
Heart Rate Range: 30-240Bpm
Waterproof Level: Ip67

Package Includes:
1 x Bluetooth Heart Rate Monitor With Chest Strap