Ultra-Small Clip-On MP3 Player

This compact MP3 player measures under 35 mm in length and weighs less than 30 g, featuring a sleek metal lavalier-style clip design. It supports playback of standard MP3 audio files from microSD (TF) cards up to 32 GB (capacity not stated but implied by common TF support at time of design). The device integrates dual functionality: portable music playback and removable storage — acting simultaneously as an MP3 player and a USB mass storage device. It uses a built-in rechargeable lithium battery with extended standby time and requires no external power source during operation. Connectivity is via USB 1.1/2.0 interface with hot-plug support, compatible with Windows 98 SE / ME / 2000 / XP and later. Its solid-state design has no moving parts, making it resistant to vibration and electromagnetic interference.