• Make your Echo portable with the Mission Battery Base.
• Certified “Made for Amazon” accessory specifically designed to work with Echo (4th generation). Echo sold separately.
• Seamlessly attaches to the Echo base (4th generation) without tools.
• Enjoy your music away from electrical sockets with an integrated battery lasting for up to 5 hours.
• Not compatible with previous generations of Echo (1st, 2nd or 3rd generation). Not compatible with Echo Dot.