Adjustable LCD backlight The V115 LCD display on FM radio shows power, FM frequency and sleep time. The LCD display backlight can be adjusted and set to normally open, off or fixed. rechargeable battery The portable radio comes with a replaceable Nokia BL-5C lithium battery with a capacity of 1000 mAh, which can be used to charge the radio using a USB cable. Radio can also be connected to a computer using the supplied USB cable. It will be loaded from the computer. You can connect headphones and TF card You can listen to radio and MP3 directly by typing the frequency or track number. Recording function MIC recording allows you to record anything you want to say, music or the station being played can record audio directly to the memory card. Three recording qualities are available: simple (64 kbps); quality (96 kbps); great (128 kbps). The MODE key blocks the keyboard In case of improper use, you can hold down the MODE button to lock the keyboard to prevent accidental start-up. Press the MODE button again to unlock when it is in use. Radio with stand This portable radio is only 4,7 x 3,1 x 0,8 inches and can be slipped into your travel backpack. Ideal for use at home, outdoors or while playing sports. During charging, alternating current can interfere with radio reception. Therefore, it is not recommended to use the radio while charging. If you can't turn off the speaker after connecting the headset, unplug it a little. If it still doesn't work, try using a headset without a microphone The package contains: 1 x Retekess V-115 radio 1 x BL-5C battery 1 x USB Charging Cable 1 x Lanyard with Handle 1 x User Manual