You can wear it to wash your hands and in rain, but you can not wear it when having a bath and swimming.  

Note: Please do not immerse the watch into or rinse with the water.

Specifications:
Model Number: DM100
Type: On Wrist Smartwatch
Function: Pedometer, Heart Rate Tracker, Message Reminder, Interactive Music, Calendar, Dial Call, Push Message, Alarm Clock, Answer Call, Date & Time, Camera, Sound Recorder...
Communication Program:
2G:
GS: B2+B3+B5+B8
3G:
WCDMA: B1+B2+B5+B8
TD-SCDMA: B34/39
4G:
LTE-FDD: B1+B2+B3+B5+B7+B8+B12+B20
LTE-TDD: B38+B39+B40+B41(100MHz)   
System: Android 7.1 OS
CPU Model: MTK6739 Quad-core
RAM+ROM: 1GB+16GB, 3GB+32GB (Optional)
Screen Size: 2.86inches
Resolution: 640*480p
Screen Shape: Round
Touch Mode: Multi-touch
Camera: 5MP
Network Mode: 4G
Nano SIM Card Slot: Yes
BT Version: 4.0
GPS: Yes
APP Download Available: Yes
Clock Interface: Selectable
Recording: Yes
Speaker: Yes
Waterproof Grade: IP67 Waterproof
Battery Capacity: 2700mAh Lithium polymer battery
APP Support Language: English
Watch Support Language: Chinese Simplified, Chinese Traditional, English, French, German, Spanish, Portuguese, Italian, Russian, Polish, Turkish, Korean, Hebrew, Indonesian, Vietnamese, Arabic, Persian, Thai, Hindi, Burmese, Bangladesh, Japan
APP Name: WiiWatch 2
Case Material:  Alloy
Band Material: Silica Gel
Color: Black, Silver (Optional)
Item Weight: 155g/5.45oz
Package Size: 11.0*9.5*8.0cm/4.33*3.74*3.15in
Package Weight: 302g/10.65oz

Package List:
1 * 4G Smartwatch
1 * Charging Cable
1 * Screw Driver
1 * Screen Film
1 * User Manual (English / Chinese)