ONEMIX I5 - 1.14 Inches Heart Rate Monitor Activity Tracker

Product specifications: Bluetooth version: BLE 4.0 Battery capacity: 140 mAh Standby time: 25-30 days Operating hours: 4-5 days Display brightness: Adjustable System Requirements: Android 4.4 and above, IOS 8.0 or higher Bluetooth 4.0 Screen display: Color screen bracelet (1.14 inch TFT LCD. Resolution 135*240) Waterproof level: IP67 waterproof, dustproof, sweatproof, wash your face, will not affect the normal use of the bracelet. APP support language: Simplified Chinese, Traditional Chinese English, Japanese Korean German, French, Portuguese, Spanish, Italian, Russian, Vietnamese.