The PocketBoom PB-1 is an ultra-compact keychain Bluetooth speaker that fits in your pocket yet delivers surprisingly loud, clear audio. With IPX6 waterproof protection, an 8-hour battery, a built-in carabiner clip, and Bluetooth 5.0, it is the world's most portable sound solution. Available in 10 vibrant colors, the solid aluminum outer body resists drops and scratches. True Wireless Stereo support lets you pair two units for an impressive stereo experience anywhere.