Function: card, voice prompt, call function<br> Applicable scene: car, desktop, fitness, outdoor, home, mobile portable, karaoke, live broadcast, broadcasting system, outdoor lawn<br> Horn<br> Type: Bluetooth-compatible Speaker<br> Connection: Bluetooth-compatible connection<br> Interface Type: USB<br> Frequency response range: 20Hz-20KHz<br> Output power: 30~60W<br> SNR: 80dB<br> Power supply mode: built-in lithium battery<br> Sound channel: 2.1 1<br> Play duration: 4 hours<br> Effective distance: 10 meters<br> Operation mode: button<br> Applicable to the crowd: general<br> Playback format: MP3,WMA<br> Shell material: metal<br> Speaker adjustment mode: button<br> Color: blue, black, red, gold, silver gray, rose gold<br> Specifications: Bluetooth, Bluetooth can be inserted card<br> Power mode: USB<br> Shell process: metal oxidation<br> Built-in battery capacity: 300 mA -500 mA<br> Battery capacity: 300MA<br> Bluetooth-compatible protocol: 5.0<br> Specifications:<br> 1.Bluetooth-compatible pluggable card portable metal subwoofer, small size, large capacity, bring you shocking bass.<br> 2. HD subwoofer design, HiFi sound, bass surround, shock experience, give you the real feeling of immersive.<br> 3. Wireless Bluetooth-compatible connection can be inserted into the card, two use modes for you to choose.<br> 4. Built-in high-capacity rechargeable polymer lithium battery, lasting life.<br> 5. Support series playback, two speakers after the boot couplet, can achieve 3D surround sound.<br> 6. The volume is more mini than you think, does not take up space, easy to carry.<br> 7. Compatible with all kinds of Bluetooth-compatible devices, compatible with Android, IOS and other intelligent platforms, you can freely connect with your mobile phone, IPAD, notebook, PSP and other digital devices.<br> 8. Built-in high-definition noise reduction microphone, support two-way voice calls, call number, hands-free calls.<br> 9. Suitable for car, desktop, fitness, outdoor, home, mobile portable, K song, live broadcast, broadcast system and other scenes, enjoy music anytime and anywhere.<br> 10. Metal material, exquisite appearance, a variety of color fashion trend, you choose.<br> Package Included:<br> 1 * Bluetooth-compatible<br> 1 * Charging line<br> 1 * Instruction<br> 1 * Box