SPECIFICATIONSBrand Name: docoolerBuilt-in Battery: YesChoice: yesCommunication: WireLessHigh-concerned chemical: NoneOrigin: Mainland ChinaSet Type: Multi-Microphone KitsStyle: Handheld MicrophoneTransducer: Tube/valve MicrophoneUse: Home Studio  Feature: 1. Karaoke Experience: Our BT speaker features full-frequency speakers and a dedicated bass enhancement unit, delivering premium sound quality for an immersive karaoke experience. It's the Karaoke Machine for your home entertainment.2. Dual Microphone Connectivity: With 2.4G transmission technology, this Karaoke Speaker allows two microphones to connect simultaneously, enabling joyful duets from up to 15 meters away without any annoying feedback. Enjoy seamless singing sessions with friends and family.3. Advanced Sound Effects: The built-in sound adjustment features provide multiple sound effects, allowing you to customize your sound. Create a professional recording studio environment at home and sing like a star with our innovative Karaoke Machine.4. Portable and Versatile: Our compact and lightweight design ensures that you can take the Karaoke Speaker anywhere—be it camping, parties, or just casual gatherings. Connect effortlessly to your smartphone or tablet and sing whenever inspiration strikes.5. Vibrant Lighting Effects: Activate colorful LED lights that sync to the rhythm of your music with a simple press of a button. The dynamic RGB color transitions enhance the atmosphere, making every singing session feel like a concert with our exciting Karaoke Machine. Specification:Material: ABSFrequency Range: 20Hz-20KHzSignal-to-Noise Ratio: ≥100dBSpeaker Battery Type: Rechargeable Battery (Built-in)Speaker Battery Capacity: 1800mAhSpeaker Size: Approx. 15 * 13.5 * 18 cm / 5.9 * 5.3 * 7.1 inchMicrophone Battery Type: Rechargeable Battery (Built-in)Microphone Original Battery Capacity: 400mAhMicrophone Size: Approx. 12 cm / 4.7 inch Package List: 1 * Speaker2 * Microphones1 * Charging Cable1 * User Manual Many Questions about Dropshipping Services Are As Follows: 1.How many orders can you handle per day? we are a large company in Shenzhen,China,with a large warehouse that can handle large orders everyday.We send out countless parcels everyday.We can guarantee the order you request. 2.How fast can you process orders? We will arrange shipment as soon as possible after you pay the order.Priority delivery for dropshipping order 3.Could you ship order without any receipts,invoices and promotional offer inside the package? Absolutely!No invoices,receipts,promotional offer if you leave notes on the order(if you want,we can provide.) 4.If you need other products? We can provide most products you need as much as possible1 If you have any other questions,please feel free to contact us. We are very grateful to cooperate with you. 5.We can support CSV/Excel File Dropshipping. 6.There is no limited stock to fulfill the orders on a daily basis