Heights range from about 4.09 inches to 10 inches; widths from about 2.87 inches to 8.5 inches; and depths from about 2.87 inches to 10 inches across the listings.
Battery life is listed from about 13 hours up to 20 hours, with several entries around 14–15 hours.
Listings mention removable AA batteries (listed as 1×AA and 2×AA in different entries), a lithium battery noted as included in one listing (described in the source as non-universal), and built-in rechargeable/USB-chargeable batteries such as rechargeable lithium‑ion cells.
Several listings specify an IP67 rating, which the descriptions call waterproof and dustproof and, in some cases, floatable.
Some listings highlight a two-tone, high-performance fabric exterior. One listing also notes use of recycled or post-consumer plastic, citing a minimum of 31% post-consumer recycled plastic by weight.
Most listed charge times are about 2 hours, with one listing around 2.6 hours — an overall range of roughly 2 to 2.6 hours.
One listing specifies a wireless/music playback range of up to 131 ft (40 m).
Listings mention on-device play/pause/skip controls (sometimes called a 'magic' or top play button), an Outdoor Boost button to increase loudness, and a button or press action to pair or 'double up' speakers for stereo.
Some listings note a separate "Power-Up" wireless charging dock sold separately; other bundles include protective cases, USB wall plugs, and micro-USB cables.
