Compact, low profile heart rate monitor with soft fabric chest strap.Key Features:Fits Chests: 60 – 110cm, 90 – 140cm with chest strap extension (available separately). Works with any Bluetooth smart enabled systems. 1800 hours battery life. IPX 7 waterproof rating. 32g (strap), 14g(monitor), manufacturer claimed. iOS device : iPhone 4S or above and devices with iOS 7 or above with BLE 4.0 Android OS device : Smartphones with BLE 4.0 and Android OS 4.3 or aboveAdvanced Bluetooth® Smart (BLE 4.0) super low energy consumption wireless heart rate monitor provides real-time heart rate on your mobile training Apps and turns your smartphone, tablet, or any Bluetooth® Smart Ready device into your personal training and health management device.* iPhone is a registered trademark of Apple Inc. * Bluetooth® is a registered trademark of Bluetooth SIG, Inc.Battery CR2032 x 1 (Included) Battery Lifetime (Approx) 900 hr Fit Chest 70 – 120 cm / 27.5” – 47.2”With chest strap extension (optional) : 100 – 150 cm / 39.4”-59” Tech Bluetooth® Smart super low energy technology Transmission Range
