Hammer Fit Smart Bracelet is the most recommended incomparable design wearable technology when it comes to finding a perfect personal assistant with Unique smart tech features, allowing you to focus on every day health data while you are busy with work at your office or studies. Detailed ultralight design fashionable built with 0.96-inch color HD display, sweat proofing, skin friendly silicon material crafted, high grade IPX7 waterproof, built in advanced Bluetooth 4.0 technology with optimized algorithm sensors from the world of innovation to track in everything just in time. Activity tracker and gather 24 hours’ real time data of speed, heart rate, blood pressure, pace, sport time, distance and calorie. Never miss out on anything with daily messages vibration reminders in real-time by synchronizing your mobile phone for message alerts, incoming calls, push notifications, social media community notifications. Automatically Monitors Sleep Patterns - deep sleep time, awake time and light sleep time. Features App:Download HPLUS APP IOS 8.0 & above / Android 4.4 & above CPU Chip:Nordic n51822 Sensor 3D Sensor:PPG Sensor Everlight Vibration:Yes Waterproof:Daily life waterproof Display Size & Type: 0.96',TFT Full Color Display Bluetooth Version: BLE4.0 Sync Outlook & Material: StrapTPU Product Size: 270*17.0*11.0mm Weight: 25g Strap Color: Black Battery: 5 days(110 mAh) Standby Time: 20 days Charging: USB charge port on the host Charge time: 2.0 hours APP Name: HPLUS Package Content: 1pc Hammer Fit, 1pc user manual, 1pc packing box Charging: Remove strap and can be plugged in usb.