Retekess V115 portable radio with all features you need: FM/AM/SW band, and also have 3 record mode, bass sound music player. You can record your favorite music or talk shows on the radio, and can record the external sounds with the built-in microphone. So this Multi-Functional Radio not only allows you to enjoy the radio, but also bring you a great fun. Retekess Portable FM/AM/SW Radio Full Band MP3 Player Recorder Rechargeable US Features: High sensitivity and selectivity with excellent reception Automatic search and store the radio station Manual search and store the radio station 100 radio station presets 9K/10K selectable for AM tuning increment MP3 player: can play mp3 music stored in the TF card Repeat mode: All / One / Folder Quick station/song selection: direct input radio frequency or song number High quality speaker with bass diaphragm, the sound is clear and loud 3.5mm AUX input: support to connect the external audio equipment as a loudspeaker 3 recording mode: MIC recording + Line in recording + Radio recording 3 recording quality selectable: Simple(64kbps); Quality(96kbps); Super(128kbps) Sleep timer for up to 90 minutes Adjustable LCD backlight Equipped with 1000mAh removable rechargeable BL-5C lithium battery 160g/0.35lb portable radio, perfect for traveling Specification: Frequency FM: 87-108MHzAM: 522-1710KHz (9K), 520-1710KHz (10K)SW: 4.75-21.85MHz Memory Support Micro SD/TF card, Max 32GB Audio format MP3, WMA Output power 2W Power supply 1000mAh BL-5C lithium battery (included) Charging DC 5V, Micro USB interface Size 120 x 80 x 20mm / 4.7 x 3.1 x 0.8 inch Weight 260g Package Includes: 1 X Radio 1 X BL-5C battery 1 X USB charging cable 1 X Hand strip with bracket 1 X English manual Question: Does Retekess V115 require voltage? Answer: The rated voltage of this product is 5V, if the voltage exceeds 5V, it will easily burn out the radio. About Us