Sony Walkman with integrated headphones W series 4GB MP3 player Black BM NW-WS413 <memory type> NW-WS413

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Capacity: 4GB Play: Music Waterproof: IPX5/IPX8 (JIS C 0920 waterproof protection class) equivalent Recommended application software: "Media Go" Attached headphones: 13.5mm EX headphones (headphones integrated) Rechargeable battery: Built-in lithium ion USB charging time: about 1.5 hours Continuous playback time: 12 hours (external sound uptake function OFF) Model: NWWS413BM (NW-WS413 BM)