This fits your .

❖ Donsinn Personal Necklace Fan, USB Fan Portable Rechargeable Battery Operated, Lightweight Adjustable Fan Speeds Mini Fan for Office Desk Table Outdoor Camping Travel ❖
≈≈≈ Personal Necklace Fan, Security and Quiet, Multipurpose ≈≈≈

Specifications:

Material: ABS
Input Voltage:  5V
Input Current: 0.5-1A
Output Voltage: 5-9V
Output Power (max):  5W
Working Time:  6 hours on low speed/2 hours on high speed
Charging Time:  about 4 hours
Battery Specification: 18650 Li-ion
Product Size: 4.72 H*3.46 L*1.49 W (inch)
Product Weight (including battery):  about 4.8 oz

✔ Tips before use:

1.Take off the battery cover, install 18650 battery on the fan, and then close the battery cover.
2.Charge the fan with included USB cable, connecting it to the USB port, such as computer, laptop, mobile charger, etc.
3.Light indicator: light is red while charging, the light will change green when charge full.
4.Adjust fan speeds all by press the "on" button, Minimum wind --- Medium wind --- Strongest wind increase in order.
5.No matter when the fan in which range, once press the "OFF" button, it will stop working.

❈ Warm Tips:

1.PLS keep fully charge before you first use,the charging time is about 4 hours.
2.Notice avoid overcharging: disconnect the power source when full charging.
3.Please take off the battery if long time no use.
4.If you have long hair, please tied up your hair when use the fan. Just in case that the hair will be rolled into the fan.
5.Don't forget to use a brush or compressed air to clean the dust inside after long time use.

Package includes:

1 x Necklace Fan
1 x 18650 Li-on Battery
1 x USB Charging Cable
1 x Necklace

Donsinn Personal Necklace Fan USB Fan Portable Rechargeable Battery Operated Lightweight Adjustable Fan Speeds Mini Fan for Office Desk Table Outdoor Camping Travel (Blue) - B07DDDQYCY