Altec Lansing iM227 Orbit MP3 Ultra-Portable Music Speaker for $13.11. Shipping is free on orders over $25. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. It is compatible with most phones and audio devices, features up to 24 hours of play time, integrated cord storage, and includes a 2.5mm mobile phone adapter. Most places have it for about $29 or more.