Features: 100%?brand?new?and?high?quality Made?of?high?quality?fluorescence?surface?aluminum?alloy，?elegant?and?stylish?in?appearance. Good?sound?quality?lets?you?indulge?in?your?favorite?music Supports?Security?Digital?Memory?Card，?TF?card，?USB?disk，?FM，?etc. Supports?Line?IN?function，?receiving?the?audio?source?from?MP3，?MP4，?PC，?Notebook，?Phone，?etc. Supports?USB2.0?high?speed?transmission，?fully?compatible?with?USB1.1. Function?Buttons:?on/off，?menu，?previous?song，?next?song，?play/pause，?volume?control LED?display?panel. Built-in?high?capacity?rechargeable?battery，?support?long?play. Compact?and?portable，?convenient?to?carry. ? Specifications: Material:?Aluminum?alloy Power?source:?Li-ion?battery?/?DC5V SNR:?more?than?80dB Music?format:?MP3? Colors:?Green，?Red，?Blue，?Silver? Size:?50*50*50mm ? Package?included: 1?*?Mini?Portable?USB?Speaker 1?*?3.5mm?Audio?Cable 1?*?USB?Charger?Cable