Description:Function: card, voice prompt, call functionApplicable scene: car, desktop, fitness, outdoor, home, mobile portable, karaoke, live broadcast, broadcasting system, outdoor lawnHornType: Bluetooth-compatible SpeakerConnection: Bluetooth-compatible connectionInterface Type: USBFrequency response range: 20Hz-20KHzOutput power: 30~60WSNR: 80dBPower supply mode: built-in lithium batterySound channel: 2.1 1Play duration: 4 hoursEffective distance: 10 metersOperation mode: buttonApplicable to the crowd: generalPlayback format: MP3,WMAShell material: metalSpeaker adjustment mode: buttonColor: blue, black, red, gold, silver gray, rose goldSpecifications: Bluetooth, Bluetooth can be inserted cardPower mode: USBShell process: metal oxidationBuilt-in battery capacity: 300 mA -500 mABattery capacity: 300MABluetooth-compatible protocol: 5.0Specifications:1.Bluetooth-compatible pluggable card portable metal subwoofer, small size, large capacity, bring you shocking bass.2. HD subwoofer design, HiFi sound, bass surround, shock experience, give you the real feeling of immersive.3. Wireless Bluetooth-compatible connection can be inserted into the card, two use modes for you to choose.4. Built-in high-capacity rechargeable polymer lithium battery, lasting life.5. Support series playback, two speakers after the boot couplet, can achieve 3D surround sound.6. The volume is more mini than you think, does not take up space, easy to carry.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.8. Built-in high-definition noise reduction microphone, support two-way voice calls, call number, hands-free calls.9. Suitable for car, desktop, fitness, outdoor, home, mobile portable, K song, live broadcast, broadcast system and other scenes, enjoy music anytime and anywhere.10. Metal material, exquisite appearance, a variety of color fashion trend, you choose.Package Included:1 * Bluetooth-compatible1 * Charging line1 * Instruction1 * Box