Specification:
Bluetooth chip: NS 1822 
Memory: 256KB RAM+32KB ROM 
Bluetooth version: 4.0 BLE ultra low power consumption 
Sensor: gravity acceleration sensor 3DH ST 
Touch: MC8883C 
Heart rate: SI1144-AAGX 
OLED size: 64*48 
Battery: 64Ma 
Motor: 4.5*4.4*8MM 
Waterproof grade: IP67 
Watchband material: Silicone band, Metal band 
MCU: EFM32 G320 256 
Overall size: 38MM*9.8mm 
Charging: 5V 
Using time: About 7 days 
Standby time: About 90 days 
Main Functions: 
-Incoming calls notification (Android, IOS) 
-Contact name display, SMS, Whatsapp, Facebook, Wechat, etc. (Android, iOS) 
-Missed calls, unread messages number notifier. (Android) 
-Anti-lost warning , Clock alarm 
-Wake up screen by turning wrist 
-Activity reminder (Android) 
-GPS movement: Track route, Walking distance tracker, time and date display, steps coutner ,total consumption, history record, and share the route. 
-12/24 hours system display , date/week display, sleep tracker, power display. 
-Set personal information: Convert for English and metric units, fitness goal setting, fitness information sharing. 
Package Includes: 
1 * Smart Watch
1 * USB Charging
1 * User Manual

• Two Kinds of material watchband for your choice, Silicone Band and Metal Band for your choice, Fashion and Luxury,
• Metal Dial plate, 0.96 inch OLED screen for information watching Bicycle-riding/ running mode and multi-sports mode, easy to operate. IP67 Grade waterproof intelligent motion bracelet, you can wear it to wash your hands, bath, boating. touch control
• Main functions: Heart rate monitor, Walking distance tracking, date and time display, find mobile phone, remote camera, video and music, motion tracking, sedentary reminder, movement pattern. Perfect design, convenient to take along etc.
• WIRELESS BLUETOOTH SYNCHRONIZATION - Android devices can send statistics such as steps taken, calories burned and other updates throughout the day.
• Vibration alerts for call and text notifications, movement reminders, and alarms

Two Kinds of material watchband for your choice, Silicone Band and Metal Band for your choice, Fashion and Luxury,KASSICA