Ultrasonic Mosquito Repellent Bracelet with Time Display Anti Mosquito Wristband for Outdoor(Black )

Feature: 1. Intelligent ultrasonic mosquito repellent bracelet, non?toxic and odorless, can be used with confidence. 2. The bracelet achieves the mosquito repellent effect by imitating the nasty sound of female mosquitoes. 3. The purely physical mosquito repellent method is safer, more environmentally friendly and healthier. 4. Applicable to the crowd, suitable for children, business, the general public, adults, the elderly. 5. Multi?purpose mosquito repellent, easy wearing, suitable for home, outdoor, etc. Specification: Item Type: Mosquito Repellent Bracelet Material: ABS+Silicone Weight: Approx. 48g / 1.7oz Product Size: Approx. 23.5x2x1.5cm / 9.3x0.8x0.6in Model: F9 Display Mode: Digital display Battery Capacity: 100mAh [built-in battery] Battery: Polymer Battery 3.7V Charging Method: MicroUSB 5V/1A Working Frequency: 34Hz-70KHz Working Hours: Fully charged and work continuously for 7 days Charging Time: About 30 minutes Life Time: About 150 hours Wearing Style: Wrist strap type, neck hanging Applicable People: Children, business, the general public, adults, the elderly Mode of Operation: Push-button . Package List: 1 x Mosquito Repellent1 x Data Cable1 x Watch Strap1 x Lanyard1 x Manual Note: 1. Please allow 1‑2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.