• Easily and securely attaches to echo dot by a magnet with no interference. Easy to separate.
• 5200Mah top tier Cell enables your echo dot to continuously function for more than 6 hours without being plugged in.
• Intelligent battery management system allows the user to leave the power cable plugged in without damaging the battery.
• Recharges using the echo dot power cable. Please use the original plug and cable that came with the echo dot.