Screen Resolution:128x128 Operation System:ANDROID, IOS Camera:NA Water Resistance Depth:No waterproof Screen Material:TFT Case Material:Plastic Material:Silicone Type:with earbuds Feature:Auto Date, Complete Calendar, Alarm, LED Display, Shock Resistant, Heart Rate Monitor, Sleep Tracker, Fitness Tracker, Back Light, Call Reminder, Answer Call, Dial Call, with earbuds Gender:Unisex Name:ZIFRIEND Model Number:ZR0001 Place of Origin:Guangdong, China Product name:Smart Watch Wristband Bracelet with earbuds Function:Fitness tracking/ Blood pressure/ with earbuds Screen Size:160*80 Color Touch Screen CPU:NRF52832 BT version:Smartwatch: BT4.2; Earbuds: BT5.0 Battery Capacity:220mAh Lithium Polymer System:Android 5.1/IOS 8.0 OEM/ODM:Welcome