PRODUCT GRADING (Grade B) - Good Condition > Very light scratches and light signs of use > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX Sport Fitness Bluetooth Call Smart Watch PRODUCT DESCRIPTION Smart Watch Sport Fitness Bluetooth Call Multifunction Music Control Alarm Clock Reminder Smartwatch For Phone Bluetooth call After connecting the phone via Bluetooth. You can make and receive calls on the watch. Bluetooth message push Call reminder/SMS reminder/Push WhatsApp, Twitter, and other information content, don\'t miss important calls and messages. Large selection of topics online Watch system built-in 4 theme styles More themes can be downloaded in the APP. for you to choose. Built-in casual games There are casual puzzle games built in the watch. That Lets you relax at any time. Take pictures remotely easily Turn on the camera function in the watch to control the phone\'s camera shutter. Sleep monitoring Spend every night with you Record the data of deep sleep, light sleep, and wakefulness every night Summarize and analyze your sleep status on the APP. PRODUCT INFORMATION Screen - 1.28 inch IPS colour Full touch screen Operation method - Full-screen touch + button Bluetooth version - Dual Bluetooth BET4.0+5.0 Battery capacity - 400mAh Charging method - Magnetic adsorption charging Standby time - about 30 days Usage time - about 5~7 days (Use time is determined by the frequency of use. Frequent use will reduce use time) Waterproof level - IP65 waterproof (Note: Please do not expose the watch to hot water) Compatible system - iOS 8.0 version above and Android 4.4 version above APP name - Da Fit Support Language - English, Japanese, German, French, Spanish, Arabic, Russian, Ukrainian, Portuguese