Rely on an absolutely reliable Bluetooth connection for crystal-clear, distortion-free sound. Anker's BassUp technology covers sound scales in detail and extensively, even in the deep range. It delivers top-notch, deep bass compared to similar speakers. Anker's leading battery technology and energy management allow for a playtime of 24 hours or about 500 tracks. The powerful lithium-ion battery won't let you down throughout the entire Christmas celebration. Ultra-compact and lightweight, IPX7 waterproof and dustproof. Weighs 360 g, just about the same as a Maxi pack of gummy bears. Ideal for any Christmas celebration - no matter where you are celebrating. Included are an Anker SoundCore 2 Bluetooth speaker, a micro-USB cable, and a user manual.