ARRIS 7.4V 6600Mah Lipo Battery Heated Winter Vest

Specifications:
Model: LLS-18
Voltage: 7.4V
Capacity: 6600mAh
Output Voltage: 
USB Port: 5-12V 
DC Port: 7.4V 3-level output
Input Voltage: DC8.4V-8.8V-1A

Use Method:
Step1: Connect the power cord, and put the power bank into the pock. 
Step2: Turn on the power supply, heating system start test (red, white and blue light flash once then turn off.
Step 3: Press temperature button for 3 seconds again till Red light on?if red led flash, press red-white-blue once, then press RED again?, heating system start to work. Then you can choose heating level: 
RED (high): 3-4 Hours 70?-75?
White (mid): 4-5 Hours 60?-65?
Blue (low): 6-7 Hours 45?-50?
Step 4: Turn off Plug out the DC din from power bank. Turn off power on power bank.

Silicon Button Battery Instructions:
1. Plug rechargeable battery into the wire in your garment’s right pocket.
2. Turn rechargeable battery on by holding the power button for 3-5 seconds.
3. The rechargeable battery will turn on, as well as the touch button light.
4. Adjust temperature using the touch button and not the rechargeable battery.
5. The battery is not waterproof, please take out the battery before washing.