ASTONISHING SOUND: Breathtaking stereo sound with deep bass is delivered with exceptional clarity and zero distortion by two high-sensitivity drivers and a patented bass port. 24H WORRY-FREE BATTERY LIFE: Anker's exclusive, long-life battery technology provides the Bluetooth speaker 24 hours of sublime music. WATERPROOF BUILD: IPX5-rated casing offers complete protection against liquids. EFFORTLESS CONNECTIVITY: Bluetooth 5.0 ensures instant pairing and maintains a strong connection up to 66 ft. BassUp TECHNOLOGY: The Bluetooth speaker has an in-house tuned digital signal processor analyzes the low frequencies to intensify the song’s bass in real-time. GRAB, GO, LISTEN: Lightweight, yet robust unibody design provides the perfect soundtrack for the park, yard, or anywhere else at home or away.