Product Name: Unisex Bluetooth Smart Fitness Band Watch with Heart Rate Activity Tracker, Step and Calorie Counter, Blood Pressure, OLED Touchscreen for Men/Women Package Contains: It has 1 Piece of Watch Material: Plastic Strap Material: Plastic & Silicone Occasion: Casual Weight: 300 Additional Information: This watch has USB Port you need to attach the USB port with your normal mobile charger or laptop to charge the watch All-day activity tracking: Track steps, distance, calories burned, active minutes, you can check daily activity and time on OLED display or APP NO CALLING FEATURE-You will receive only notification to See Calls & Messages on Your Wrist: Receive/Rejection call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display, fitness tracker band let you never miss the messages that matter. This fitness band will only work after installing fitness band application from play store.TO set time of watch you have to install fitness band application.YOU will receive bar code pls scan it to download the application. Switch ON bluetooth and location whlie connecting fitness band from app. Dont connect band directly with bluetooth u need to connect it from APP. For Any Product Issue Please Contact Us Through Buyer Massage Please Install Any One App From Play Store for the device App Name YOHO,FIT PRO,LEFUN HEALTH.NOTE -Charger is not available with this watch it has in built usb port remove the strap of watch carefully than u can see usb port which u can attach easily with any laptop,pc,mobile charges to charge.