SONY Walkman NW-A306 NW-A307Description SpecificationsBuilt-in memory: 32GB or 64GBActual usable space: approx. 18GB*About 3.5GB of free space in the internal shared storage is required for software updates.Supported formats: MP3, WMA, FLAC, WAV, AAC, HE-AAC, Apple Lossless, AIFF, DSD, APE, MQADisplay: 3.6" (9.1 cm), HD (1280 x 720 pixels)Touch panel: ○Maximum number of songs recorded (MP3): approx. 4,900Digital amplifier: S-Master HXHigh-resolution sound source support：○Headphone output: ○Stereo mini jack: 20-40000 HzBalanced standard jack: -Connection to computer/shape of main unit terminal: Type-C (USB 3.2 Gen1 compliant)Rechargeable battery: Built-in lithium-ionUSB charging Charging time (approx./hour): approx. 3.5 hours (fully charged), approx. 3 hours (charged to approx. 80%)Battery life (mp3): approx. 36 hours*Depends on usage environment and conditions.microSD memory card: microSD, microSDHC, microSDXCExternal dimensions (W x H x D/mm): approx. 56.5 x 98.4 x 11.8 mmAccessories：USB Type-C(R) cable (USB-A to USB-C), user's manual, precautions/main specifications, warranty card, product support registration recommendations, USB Type-C terminal capHeadphones and microSD card are not included with this product. Condition:New(- I follow “eBay card conditions and guidelines”. - Click here for details: https://pages.ebay.com/cardconditions/) Shipping - We only ship to registered address- Ships within 10 business days- It will arrive in 3-7 days after shipment-In some regions such as Canada and Australia, additional charges for remote areas may be incurred. In that case, cancellation or additional fees may be charged. International Buyers - Please Note: -Import duties, taxes and charges are not included in the item price or shipping charges.-These charges are the buyer's responsibility.-Please check with your country's customs office to determine what these additional costs will be prior to bidding/buying. -These charges are normally collected by the delivering freight(shipping) company or when you pick the item up -do not confuse them for additional shipping charges. -We do not mark merchandise values below value or mark item as "gift" -US and international government regulations prohibit such behavior. Please see our eBay store