COMPACT and CONVENIENT: A compact and sleek hand warmer design that comes apart to form two separate hand warmers – one for each hand, that will fit conveniently in any pocket to improve comfort in the outdoors during cold conditions FAST HEATING WITH 4 LEVELS: Will heat up in 10 seconds and provides 6-9 hours of all-round heat, available through 3 heat levels that are clearly indicated via small LED lights POWER BANK FUNCTIONALITY: The unit can also be used to charge mobile phones and other devices (with both USB and USB C ports) to give a power boost when you are out and about. Instructions for this function: Ensure the hand warmer is switched off. Plug mobile device into the hand warmer. Lights will display the level of charge remaining EASY and FAST TO RECHARGE: Mains or USB rechargeable using USB cable which is included, with a charge time from low to full in approximately 4 hours. The dual magnetic hand warmer has 2 x 5,000mAh battery capacity. CHARGING THE HAND WARMER: Ensure the hand warmer is switched off / Plug into any USB port/charger using cable supplied / Charge until all four lights are illuminated OPERATING THE HAND WARMER: Press and hold ON/OFF button for 4 secs. to turn ON. Press ON/OFF button again to select heat setting. Press and hold ON/OFF button for 4 secs. to turn OFF DIMENSIONS: 65 x 108 x 40 mm WEIGHT: 133g (each). CE certified ROSH compliant recyclable