Specifications
Interface
| USB | Hi-Speed USB (USB 2.0 compliant) |
Bluetooth
Bluetooth Specifications
| Communication system | Bluetooth Specification Version 4.0 |
| Frequency band | 2.4 GHz band (2.4000 GHz - 2.4835 GHz) |
| Modulation method | FHSS, Other |
|
Compatible Bluetooth profiles (*1) |
A2DP (Advanced Audio Distribution Profile) AVRCP (Audio Video Remote Control Profile) HFP/HSP (Hands Free Profile/Headset Profile) |
| Supported Codec (*2) | SBC (*3), AAC |
*1 Bluetooth profiles are standardized according to the purpose of the Bluetooth device.
*2 Codec indicates the audio signal compression and conversion format.
*3 SBC stands for Subband Codec.
Microphone
Stereo
Output (headphones)
|
Frequency |
Frequency response 20 Hz to 20,000 Hz (when playing data file, single signal measurement) |
Sound Settings
Dynamic Normalizer (On/Off)
General
|
Power Source |
Built-in Rechargeable lithium-ion Battery USB power (from a computer via a USB Cradle of the player) |
|
Charging Time |
USB-based charging Approx. 1.5 hours Quick charging Approx. 3 minutes charge enables up to approx. 60 minutes playback. |
| Operating temperature | –5 °C to +45 °C (23 ºF to 113 ºF) |
| Mass | Approx. 32 g (1.2 oz) |
| Water resistance/Dust proofing | IP65/IP68 (IEC 60529) or equivalent *
*with Swimming Earbuds attached |
Capacity
| NW-WS623 | 4 GB |
| NW-WS625 | 16 GB |
Actual available memory for other contents (*1)
| NW-WS623 | Approx. 3.22 GB= 3,466,067,968 bytes |
| NW-WS625 | Approx. 14.1 GB= 15,191,244,800 bytes |
*1 Available capacity may vary. A portion of the memory is used for data management functions.
Remote Commander (supplied for only NW-WS625)
Bluetooth
Bluetooth Specifications
| Communication system | Bluetooth Specification Version 4.0 |
| Frequency band | 2.4 GHz band (2.4000 GHz - 2.4835 GHz) |
| Modulation method | Other |
General
|
Power Source |
CR1620 Lithium Coin Cell Battery (*1) |
|
Operating temperature |
–5 °C to +45 °C (23 ºF to 113 ºF) |
| Mass | Approx. 11 g (0.4 oz) |
| Water resistance/Dust proofing | IP65 (IEC 60529) or equivalent |
*1 The battery supplied at the time of purchase may have a shorter battery life as it is installed at the factory to check the performance.
The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications.
