Sony NW WM1AM2

Capacity: [NW-WM1AM2] 128GB
* The actual usable area is approximately 103GB.
* When updating software, about 2GB of free space on the internal shared storage is required.
Operating system: Android 11 
* A Wi-Fi environment is required to use some functions of this product.
Supported formats:
-MP3 (.mp3): 32 --320kbps (VBR compatible) / 32, 44.1, 48kHz
・ WMA (.wma): 32 --192kbps (VBR compatible) / 44.1kHz
・ FLAC (.flac): 16, 24bit / 8-384kHz
・ WAV (.wav): 16, 24, 32bit (Float / Integer) / 8-384kHz
・ AAC (.mp4, .m4a, .3gp): 16-320kbps / 8-48kHz
・ HE-AAC (.mp4, .m4a, .3gp): 32-144kbps / 8-48kHz
-Apple Lossless (.mp4, .m4a): 16, 24bit / 8-384kHz
・ AIFF (.aif, .aiff, .afc, .aifc): 16, 24, 32bit / 8-384kHz
-DSD (.dsf, .dff): 1bit / 2.8224, 5.6448, 11.2896 MHz
・ APE (.ape): 8, 16, 24bit / 8-192kHz (Fast, Normal, High)
・ MQA ​​(.mqa, .flac): Correspondence
Display: 5.0 type (12.7 cm), HD (1280x720 dots)
Touch panel: 
Wireless LAN:
・ Standard: IEEE 802.11 a / b / g / ac
・ Frequency band used: 2.4 / 5 GHz band
-Encryption: WEP / WPA / WPA2
Bluetooth function:
-Communication method: Bluetooth standard Ver 5.0
・ Frequency band used: 2.4 GHz band (2.4000 GHz --2.4835 GHz)
-Modulation method: FHSS
・ Supported Bluetooth profile
--A2DP (Advanced Audio Distribution Profile)
--AVRCP (Audio Video Remote Control Profile)
-SPP (Serial Port Profile)
-OPP (Object Push Profile)
-DID
-Supported codecs (transmission): SBC, AAC, LDAC, aptX, aptX HD
USB DAC function: 
Supported application software: ・ Music Center for PC
* Please check the supported OS from the support page.
* Separate software is required to operate on Mac.
USB charging Charging time (approx./hours): Approximately 4.5 hours (fully charged), approximately 3 hours (charging up to approximately 80%)
Rechargeable battery duration (approx./hour): [When playing music (W. Music)]
● MP3 128kbps
Stereo mini jack about 40 hours, balanced standard jack about 40 hours
● FLAC 96kHz / 24bit
Stereo mini jack about 40 hours, balanced standard jack about 40 hours
● FLAC 192kHz / 24bit
Stereo mini jack about 35 hours, balanced standard jack about 35 hours
● DSD 2.8 224MHz / 1bit
Stereo mini jack about 25 hours, balanced standard jack about 15 hours
● DSD 5.6448MHz / 1bit
Stereo mini jack about 18 hours, balanced standard jack about 13 hours
● DSD 11.2896MHz / 1bit
Stereo mini jack about 15 hours, balanced standard jack about 9 hours
[When playing Bluetooth (send mode) (W. Music)]
● SBC (connection priority) MP3 128kbps
About 20 hours
● LDAC (connection priority (automatic)) FLAC 96kHz / 24bit
About 18 hours
[When playing music (music apps other than W. Music) (offline mode)]
● MP3 128kbps
Stereo mini jack about 18 hours, balanced standard jack about 18 hours
Headphones practical maximum output (JEITA 16Ω / mW): Stereo mini jack: 60mW + 60mW (at high gain output), Balanced standard jack: 250mW + 250mW (at high gain output)
Connection with PC / Shape of main unit terminal: Type-C (USB3.2 Gen1 compliant)
microSD memory card: microSD, microSDHC, microSDXC
External dimensions (width x height x depth / mm) * Dimensions not including the maximum protrusion: Approx. 75.6 mm x 141.4 mm x 20.8 mm
Mass Rechargeable battery included (g): Approximately 299 g
Maximum number of recorded songs (music):
 ● MP3 128kbps about 20,000 songs, 
● AAC 256kbps about 14,000 songs, 
● FLAC 44.1kHz / 16bit about 2,500 songs, 
● FLAC 96kHz / 24bit about 780 songs, 
● FLAC 192kHz / 24bit about 390 songs, 
● DSD 2.8224MHz / 1bit about 640 songs
* Estimated for 4 minutes per song
Accessories: 
Walkman main unit, USB Type-C (R) cable (USB-A-USB-C), instruction manual, precautions / main specifications, warranty card, product support registration recommendation, headphone terminal cap (Stereo mini) (*), Headphone jack cap (balance standard) (*)
* Attached to the Walkman body
* Headphones and microSD card are not included in this product.