Feature: 1. HD STEREO: Karaoke machine is equipped with 4 inch dual voice coil full range speakers and 2 2.0 inch tweeters, adopting treble bass separation technology and professional reverb adjustment function, which makes the sound clearer, stronger bass, louder, and eliminates all noise. 2. MULTI PLAY METHODS: The karaoke machine adopts Bluetooth 5.0 chip, high speed and stable wireless transmission, strong anti interference and wider transmission range. Support Micro Memory Card, Flash USB, AUX connection. Compatible with for Android cell phone, for iPhone, tablet, PC. 3. RGB LIGHTING: This Karaoke speaker comes with colorful RGB lights and multiple lighting effects. Built in 4500mAh high capacity battery improves endurance and lasts up to 8 hours without interruption. Colorful lights and wonderful music let you enjoy the party fun. 4. PORTABLE: Bluetooth speaker with two wireless microphones, can be carried by hand or over the shoulder. Convenient to carry, you can easily carry it to the beach, outdoor and other places, experience outdoor karaoke party. Suitable for adults or kids. 5. PREMIUM SOUND QUALITY: The speaker with microphone is equipped with upgraded sound drivers, providing clearer and more balanced sound quality, as well as 360° stereo surround sound. Ideal for beach parties, family gatherings, outdoor live broadcasts and more. Specification: Item Type: Karaoke Machine Material: ABS Color: Brown Speaker Battery: Polymer Lithium Ion Battery (Built in) Capacity: 4500mAh Microphone Battery: Polymer Lithium Ion Battery (Built in) Capacity: 500mAh (Single Mic) Output Mode: BT, AUX and Memory Card (Memory Card Maximum Support 64G, Without Memory Card) BT Version: V5.0 Charging Interface: USB C Speaker: 1 x 4 Inch Full Range Speaker with 2 x 2.0 Inch Tweeter. Package List: 1 x Speaker2 x Microphone1 x Instruction Manual 1 x USB Cable1 x 3.5mm Sound Cable1 x Carrying Handle