Features: - For Palm series PDA model. Sync and Charg at the same time. - Offer data transfer for quickly loading data from computer. - Function as both charger and data transfer. - No need for any accessory, no worry about tangled cable mess. - Uniqe retractable design, Conveniently portable and lightweight, minimize working space, Compact size for travelling convenience. - Work on USB2.0. - Direclty plug and play for windows 2000 and windowsXP. - Compatible model: Palm M500/Palm M505/Palm M515. Specifications: - Length: 4.5 inches(Max extension length: 32 inches) - Weight: 20g