Feature: 1. Home KTV Sound: All in one live sound card can sing as well as live, professional grade home ktv tuning sound card. The sound effect is shocking. 2. 4 Live Modes: Sound card speaker has 4 live modes, different live modes correspond to various use scenarios. 6D surround sound. 3. 4 Variable Sounds: Podcast equipment bundle has 4 variable sounds, very interesting, just one key to switch, simple and fast. 4. Bluetooth Connection: Portable karaoke sound mixer supports connecting various cell phones, tvs, tablets, computers, projectors with bluetooth. 5. Multiple Connection Methods: Portable sound card speaker has Bluetooth, AUX, OTG, memory card multiple connection methods, so you can easily deal with more scenarios. Specification: Item Type: All in One Sound Card Speaker Material: Plastic, Electronic Charging Voltage: DC5V 1.5A Charging Time: About 2 Hours Use Time: About 6 Hours 2 x Speaker: 5W and 5W Speaker Frequency Response Range: 50Hz-18KHz Memory Card: Maximum Support For 512G Memory Card (Not Included) Battery Type: 1 x Sound Card Speaker Built In 3600mAh Lithium Battery (Included) 2 x Microphone Built In 1000mAh Lithium Battery (Included) 2 x Receiver Built In 800mAh Lithium Battery (Included). Package List: 1 x All In One Sound Card Speaker 1 x Carry Strap2 x Slip Resistant Plastic Ring2 x Microphone2 x Charging Cable 2 x 3.5mm Sound Cable1 x Wired Headphones1 x Instruction Manual