L18 IP54 Bluetooth Smart Bracelet Blood Pressure Heart Rate Monitor Fatigue State Tracker for Android iOS - Black OS Compatibility: Android 4.3 / iOS 7 and above system Bluetooth: Bluetooth 4.0 Battery Life: 157mAh Battery Type: Polymer lithium battery Standby Time: About 120 hours Width: 24.7 x 2.0 x 1.0 cm / 9.724 x 0.787 x 0.394 inches Weight: 21 g Package Content: 1 x L18 Smart Bracelet, 1 x Charging Dock, 1 x English Manual
Language: English
