Smart Ring Bluetooth 5.3 Sleep Tracking Pedometer Remote Photography 5ATM Multiple Exercise Modes Smart Health Ring with Charging Case for Fitness Gold 9 Item Type: Smart Ring Material: Stainless Steel Charging Case Battery: Polymer Li Ion Battery (Built in), Capacity: 200mAh Bluetooth Version: Bluetooth 5.3 Working Time: 5-7 Days Charging Time: 1H Rain Proof Rating: 5ATM Charger Requirement Specification: Charge 1A or Less than 1A APP: For Q Ring (For Android Store Download or Cell Phone Scanning Manual QR Code Download) System Requirements: For Android: 5.1 or above Functions: Remote Control to Take Pictures, Multiple Exercise Modes, Sleep Tracking (Sleep Time, Sleep Quality), Pedometer, Synchronize Data, APP, Find Ring, Reminders for Women's Menstrual Period, etc. Supported Languages: Danish, Ukrainian, Russian, Croatian, Hungarian, Hindi, Indonesian, Turkish, Hebrew, Greek, German, Italian, Latvian, Czech, Slovak, Slovenian, Japanese, French, Polish, Thai, Estonian, Swedish, Lithuanian, Chinese (Simplified), Chinese (Traditional), Romanian, English, Dutch, Portuguese, Spanish, Chinese (Simplified), Chinese (Traditional), Chinese (Simplified), Chinese (Traditional), English (Simplified), Chinese (Simplified), Chinese (Simplified), Chinese (Traditional), English (Simplified), Chinese (Simplified) Dutch, Portuguese, Spanish, Vietnamese, Arabic, Korean, Malay