Specs:

• Height: 4.88”
• Width: 2.38”
• Depth: 0.95”
• Weight: 5.52 oz
• Run time: 9 hrs

Design & Details:

• Perfect for keeping hands toasty in cold weather
• Charges cellphones, mp3 players, tablets, cameras, and other USB compatible devices
• Heat up to 120° F/50° C on both sides with 6 heat settings for adjustable comfort
• Lights to indicate levels for battery and heat
• Rechargeable 5200 mah lithium-ion battery for long-lasting warmth