Mosquito Repellent Bracelet Buckle Adult Outdoor With Long-lasting Electronic Sound Wave Anti-mosquito

Mosquito Repellent Bracelet Buckle Adult Outdoor With Long-lasting Electronic Sound Wave Anti-mosquito

Description:
- Color : Black
- Input Voltage : 4.2V
- Output Voltage : 3V
- Battery : 3.7V / 75mAh
- Size : 20 * 230 * 10 mm
- Charging time : 30 minutes
- Can use for 30 hours for one full charge
- Waterproof design
- Outdoor activities with mosquito repellent bracelets to effectively prevent mosquito bites.