PAIRING INSTRUCTIONS - It compatible with IOS 7.0 or above and Android 4.3 or above. Works with most mainstream health and fitness apps like Wahoo Fitness, Endomondo, Zwift, Polar Beat, DDP Yoga, Mapmyfitness, iCardio, and more. BREATHABLE AND LIGHTWEIGHT ARMBAND - The HRM armband more comfortable and easily attaches to your forearm. No need for a bulky chest strap, give you a more cozy fitness experience. IP67 WATERPROOF DESIGN - The best choice for fitness enthusiasts. It can be used for handwashing, household chores, and in the rain. But is not recommended for swimming or bathing. LONG BATTERY LIFE - The heart rate monitor armband comes with a rechargeable battery that allows you to work out up to 25+ hours. LED indicator makes it easy to see if your device is connected and working. BLUETOOTH & ANT+ DUAL MODE - Allow you to connect to various fitness equipment, including bike computers, GPS watch, cycling platform, and fitness app.Battery Description: Lithium-Ion Polymer. Sensor Type: Wearable. Battery Life: 25 Hours. Compatible Devices: Fitness equipment, Bike computer, Smart watches, IOS, Android phones. Color: Black. Material: ABS. Brand: CooSpo. Date First Available: May 15, 2020. Best Sellers Rank: #143,702 in Sports & Outdoors. Customer Reviews: 4.2 out of 5 stars 716 ratings 4.2 out of 5 stars. : B086PK4Q4K. Sport Type: ?Running, Jogging, Yoga, Cycling, etc. Included Components: ?Charging cable, One more free replacement armband, Hear rate monitor armband, User manual. Style: ?Heart rate monitor armband. Manufacturer: ?Wantacme. Number of Items: ?1. Suggested Users: ?Unisex-adult. Material: ?ABS. Color: ?Black. Model Name: ?HW706. Warranty Description: ?12-MONTH WARRANTY. Brand Name: ?CooSpo. Package Weight: ?0.07 Kilograms. Item Package Dimensions L x W x H: ?5.51 x 3.03 x 1.57 inches.