Specifications

Display

Size/Resolution 3.1-inch (7.8 cm), WVGA (800 × 480 Pixels)
Panel type TFT color display with white LED-backlight
Touch panel Supported

Interface

USB Hi-Speed USB (USB 2.0 compliant)
Headphone Stereo Mini-jack
WM-PORT WM-PORT (multiple connecting terminal): 22 pins
External memory microSD, microSDHC, microSDXC

FM radio (Except for the NW-A55L)

FM Frequency range 87.5 MHz to 108.0 MHz
Antenna Headphone cord antenna

Bluetooth

Version Communication system:
Bluetooth Specification Version 4.2
Frequency band 2.4 GHz band (2.4000 GHz - 2.4835 GHz)
Modulation method FHSS
Supported Bluetooth profiles A2DP, AVRCP
Supported Codecs (Transmission) SBC, LDAC, aptX, aptX HD
Supported Codecs (Reception) SBC, LDAC, AAC

NFC

NFC Active type (for reader and writer),Tag Type

Headphone Out (Stereo Mini-jack)

Frequency response 20 Hz to 40,000 Hz

Noise Canceling system

Digital Noise Canceling
(Select Environment)
Full-auto AINC
Bus/Train
Airplane
Office

Ambient Sound Mode

Ambient Sound Mode Supported

General

Power Source Built-in battery:
Built-in Rechargeable lithium-ion Battery
Charging and Power supply:
USB power (from a computer via a USB)
Charging Time USB-based charging
Approx. 4 hours
Operating temperature 5 °C to 35 °C (41 ºF to 95 ºF)
Dimensions w/h/d, projecting parts not included
Approx. 54.8 mm × 97.3 mm × 10.7 mm
(2.16 inches × 3.84 inches × 0.43 inches)
w/h/d
Approx. 55.7 mm × 97.3 mm × 10.8 mm
(2.20 inches × 3.84 inches × 0.43 inches)
Mass Approx. 99 g (3.50 oz)

Capacity

NW-A55 16 GB
NW-A55HN 16 GB
NW-A55L 16 GB
NW-A56 32 GB
NW-A56HN 32 GB
NW-A57 64 GB

Actual available memory for other contents

NW-A55 Approx. 12.26 GB=13,164,150,784 byte
NW-A55HN Approx. 12.26 GB=13,164,150,784 byte
NW-A55L Approx. 12.26 GB=13,164,150,784 byte
NW-A56 Approx. 26.81 GB=28,794,585,088 byte
NW-A56HN Approx. 26.81 GB=28,794,585,088 byte
NW-A57 Approx. 55.93 GB=60,055,519,232 byte

Note

  • Available capacity may vary. A portion of the memory is used for data management functions.

The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications.