Feature:1. Portable BT Speaker: Our portable outdoor subwoofer mini speaker with dual mini microphones is perfect for karaoke enthusiasts. Enjoy the convenience of wireless BT technology, allowing you to connect your devices effortlessly and stream your favorite music.2. Adjustable Volume and Light Control: Take full control of your audio experience with our speaker\u0027s adjustable volume feature. Whether you want to pump up the party or enjoy a more intimate setting, you can easily adjust the volume to suit your needs. Additionally, the light control function adds a touch of ambiance to any gathering.3. Multiple Functions and Connectivity Options: With built-in BT functionality, USB and TF card readers, our speaker provides various ways to play your favorite tunes. The included microphone allows you to unleash your inner singing superstar and create a karaoke system right at home.4. Long Battery Life and Power Indicator: Equipped with a powerful built-in 3.7V/2400mAh battery, our speaker ensures hours of uninterrupted playback. You\u0027ll never have to worry about running out of power during your karaoke sessions. The low-power indicator will alert you when it\u0027s time to recharge, so you can always be prepared.5. Fast and Convenient Charging: Our speaker features a TYPE-C interface for quick and efficient charging. Whether you prefer a fast charge with the power off (1.5-2 hours) or a slower charge while using the speaker (3-4 hours), we\u0027ve got you covered. Stay connected and ready to rock with our versatile and reliable wireless BT sound system.Specification:Features:Portable BT Speaker: Our portable outdoor subwoofer mini speaker with dual mini microphones is perfect for karaoke enthusiasts. Enjoy the convenience of wireless BT technology, allowing you to connect your devices effortlessly and stream your favorite music.Adjustable Volume and Light Control: Take full control of your audio experience with our speaker's adjustable volume feature. Whether you want to pump up the party or enjoy a more intimate setting, you can easily adjust the volume to suit your needs. Additionally, the light control function adds a touch of ambiance to any gathering.Multiple Functions and Connectivity Options: With built-in BT functionality, USB and TF card readers, our speaker provides various ways to play your favorite tunes. The included microphone allows you to unleash your inner singing superstar and create a karaoke system right at home.Long Battery Life and Power Indicator: Equipped with a powerful built-in 3.7V/2400mAh battery, our speaker ensures hours of uninterrupted playback. You'll never have to worry about running out of power during your karaoke sessions. The low-power indicator will alert you when it's time to recharge, so you can always be prepared.Fast and Convenient Charging: Our speaker features a TYPE-C interface for quick and efficient charging. Whether you prefer a fast charge with the power off (1.5-2 hours) or a slower charge while using the speaker (3-4 hours), we've got you covered. Stay connected and ready to rock with our versatile and reliable wireless BT sound system.Specifications:Rated Impedance: 4 ± 15%Rated Power: 3WFrequency Range: F0-20KHZCharacteristic Sensitivity: 84dB ± 2dBResonance Frequency: 400Hz ± 20%Harmonic Distortion: ≤ 5%Power Supply (adapter): DC 5V/1ASpeaker Battery: Built in 3.7V/2400mAhBattery Usage Time: 3-3.5 hours (amplifier state)Power Indicator: Power on - white light; Charging - red light; Low battery state - prompt sound for 2 minutes/timeCharging Time:Fast charging (power off) 1.5-2 hoursSlow charging (charging and amplifier at the same time, with the amplifier turned on moderately) for 3-4 hoursCharging Interface: TYPE-C interfacePackage Weight: 900g/31.7ozPackage Size: 20 * 10.7 * 7.9cm/7.9 * 4.2 * 3.1inchNote:Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures.Packing List:1 x Speaker2 x Wireless Microphone1 x Type-C Charging Cable1 x Instructions1 x Certificate of ConformityPackage List:1 x Speaker2 x Wireless Microphone1 x Type-C Charging Cable1 x Instructions1 x Certificate of Conformity