Handheld frothers come as manual wands or battery-powered cordless models. Manual wands need no power and are highly portable; cordless battery models offer greater speed and convenience and can be used anywhere without plugging in. Some battery models include batteries or require user-supplied cells—check the product listing for specifics.
Commercial cold-foam creamers commonly come in pressurized cans (about 14 oz) that you shake and spray as a foamy topper for hot or iced drinks. There are also shelf-stable single-serve powder kits that you whisk with water to create cold foam before adding to your beverage.
Electric handheld frothers with high-speed motors (around 19,000 RPM in some models) produce foam very quickly—many listings note froth can form in roughly 20 seconds for café-style foam.
Instant kits use pre-portioned powder packets that you whisk with cold water; they’re shelf-stable until opened and typically produce thick, creamy cold foam within about 20–30 seconds of whisking.
Handheld frothers are promoted for multiple small-batch tasks: blending matcha, mixing powdered drinks or protein shakes, whisking eggs, and stirring small amounts of sauces, dressings, jams, nut butter, or condiments like ketchup.