Features:
Intelligent ultrasound mosquito repellent bracelet, Pure physical mosquito repellent, free of toxic chemicals, safe and environmentally friendly. 
Fast charging, long battery life, ensures 7 days working time and 3 months standby time after it is full charged.
Bracelet design, easy to carry, suitable for beaches, parks, camping, mountaineering, fishing and other places to use.
Three modes to choose simply press the switch button, applicable to indoor and outdoor use.
Fine structure design, waterproof for daily use, never worry about entering water when washing hands or raining.

Specification:
Model: M1
Type: Mosquito Repellent Wristband
Color: Black, White(Optional)
Input: 5V/1A
Frequency: 34Hz-70KHz
Battery: 3.7V 100mAh Polymer battery
Package Size: 10 * 6 * 4.5cm / 3.9 * 2.4 * 1.8in
Package Weight: 48g / 1.7oz

Package List:
1 * Bracelet
1 * USB Cable
1 * User Manual