Sony NWZ-E385 Help Guide (Printable PDF) - Page 161

FM radio FM Frequency range: 87.5 MHz to 108.0 MHz The frequency is changed by 0.1 MHz. IF (FM) Not applicable Antenna Headphone cord antenna Interface Headphone: Stereo mini-jack USB I/F: mini-B Hi-Speed USB (USB 2.0 compliant) Operating temperature 5 °C to 35 °C (41 ºF to 95 ºF) Power source Built-in rechargeable lithium-ion battery USB power (from a computer via a USB connector of your Walkman) Charging time USB-based charging Approx. 2 hours (full charge), Approx. 45 minutes (approx. 80 %) Battery life (continuous playback) Actual battery life may vary depending on settings. The estimated battery usage hours shown below are based on typical usage conditions with "Basic setting of battery life measurement" as shown in the table below. Note Even if your Walkman is turned off for an extended period, a small amount of battery power is still consumed. Battery life may vary depending on volume setting, conditions of use, and ambient temperature. Music Playback at MP3 128 kbps Approx. 30 hours Video Playback at WMV9 384 kbps Approx. 4 hours FM radio Receiving FM broadcasting Approx. 13 hours Your Walkman settings which affect battery life [Common Settings] Setting [Brightness] (*1) [Details] [Type] of [Screensaver] (*2) [Details] [Equalizer] (*3) [Details] Basic setting of battery life measurement (Default setting) [3] [Blank] [None] 161