DHRmart Hand Free Personal Fan - Portable USB Battery Rechargeable Mini Fan - Headphone Design Wearable Neckband Fan Necklance Fan Cooler Fan 

Features:

• Mute motor with super strong wind, to cool you off.Anti-wear fan for comfortable and hands free experience.
• Adjustment fan angle to meet your needs.Lightweight and fashionable design, no burden when doing sports.
• Easy to switch the wind speed - Switch 3 wind speed via A key switch.

Instructions

1. Long press for 3 seconds (on/off)
2. Touch your button to cycle through the wind speed
3. Indicator light:

• Work: blue light flashes
• Charging: red light
• Fully charged: blue light is on
• Low battery: red flashing

Specification

Type: Mini Neck Double Fans

Battery: 18650-3.7V 1200mAh

Power: 0.3W-1.2W

Power input: DC 5V 1A

Weight: Approx. 248g 

Package list:

• 1 * Sports Fan
• 1 * USB Charging Cable