How long can I expect the battery to last on a single charge?

You can expect up to 12 hours of playtime on a single charge with the Edifier Portable Bluetooth Speaker.

What is the waterproof rating of the Edifier Portable Bluetooth Speaker?

The Edifier Portable Bluetooth Speaker has an IP67 waterproof and dustproof rating, making it suitable for use by the pool or in the rain.

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Edifier Portable Bluetooth Speaker with IP67 Waterproof & Dustproof, 12 Hours Playtime, Wireless Connectivity for Home Office Outdoor - Black

PREMIUM SOUND QUALITY - Experience rich, immersive audio with 6W (RMS) output power and a 1.7'' (43mm) full-range driver enhanced by 2'' passive bass radiators.
BLUETOOTH V5.4 & STEREO PAIRING - Enjoy seamless and stable wireless connectivity with Bluetooth V5.4, you can pair two speakers to create a stereo sound system. The dual-device connection allows you to switch between two Bluetooth devices effortlessly, making it ideal for shared use.
IP67 WATERPROOF & DUSTPROOF - Whether you are by the pool, or in the rain, its IP67 waterproof and dustproof can handle them all. It's perfect for outdoor adventures. Additionally, the high-sensitivity mic makes chatting with friends effortless.
LONG LASTING PLAYTIME & AMBIENT LIGHTING - Featuring a 12-hour-long playtime on a single charge, making it ideal for all-day use.
EASY TO CONTROL - Control your music effortlessly by using top-mounted buttons for adjust playback, volume and lighting.