Sony Walkman with headphones W series 4GB sports MP3 player Bluetooth compatible resistant Equipped with external sound capture function Black B

---------------------------------------------------------------------- Tough specification with seawater compatibility, dust proofing, and cold and heat resistant performance. Equipped with an "external sound capture function" that makes it easier to hear surrounding sounds and people's voices Hands-free calling through voice calling app In addition to the stamina of up to 12 hours, which is enough for a full marathon, it also supports quick charging, which allows you to play for about 60 minutes after charging for about 3 minutes. Equipped with an OPR (operation) lamp that indicates the remaining battery level Included items: Earpieces (1 set of 2 of each size), swimming earpieces (1 set of 2 of each size), USB cradle, USB cable, adjustment band, instruction manual, precautions for use/main specifications, pool or sea. Please be sure to read before using the product, warranty card, and product registration request.