Speaker 16Ω 0.25W

From the shop's description

If you want to get some sound out of your project but have a tight space budget, this is a good way to do it. This 0.25W, 16 Ohm speaker is only 23mm in diameter and just over 7mm thick, the same kind you might find in one of those “talking greeting cards” or Toy Car Speaker. Specifications: Product name Magnet speaker Power 0.25W Resistance 16 ohm Type magnet size 23 x 7mm (DxT) Color Green Materials magnet, metal, plastic weight 22g Description: This magnet speaker is designed with metal shell, magnetic type, easy to install. Application: mini speakers, music player, doorbell, computer, multimedia speakers, etc.