Compact and Mini Size-Small size and light weight, 9.5 x 9.5cm, 7.76oz; Equipped with same color string for outdoor sports and indoor parties. Ideal for home, office and travel. Bluetooth 5.0 Connection - Compatible with all Bluetooth devices. The phone can display the remaining speaker power. The speaker automatically restores the connection to the last device used. Connect your devices hands free. shuts down when Bluetooth is disconnected for 10 minutes 33-66 feet for wireless Bluetooth range. Sound Effect Equalizer: With the music effects adjustable at the touch of a button, you can adjust 4 musicals at any time, including traditional, classic, rock and pop. to listen to music and loud sound in a meeting? If you're watching a movie on a computer or at home, want higher volume and better sound? Everyone will satisfy you.! Easy to use: Designers added more convenient touch keys for easy operation. Function: insert card, radio, dustproof, voice prompt, call function Connection method: Bluetooth connection Interface type: USB Frequency response range: 50HZ-18KHZ Output power: 3w Signal to noise ratio: 70db Power supply mode: built-in lithium battery Channel?:?2 Playing time: 12 hours Expansion storage?: 32?GB Bluetooth protocol: 5.0 Number of speakers: 1 Effective distance: 10 meters Working mode?: button Playback format: MP3, WMA, FLC Shell material: plastic Supported format?: TF card Speaker adjustment method?: button Is there a radio function: yes Battery capacity: 1200 mAh Product weight: 0.23 (KG) Packing list: package + speaker + manual + lanyard