1、PREMIUM SOUND QUALITY: Bluetooth speaker provides clear and shocking sound performance, suitable for outdoor activities. HiFi bass effect with microphone function to meet your different needs. 2、MULTI INPUT METHODS: Wireless speaker supports MIC, AUX, Memory Card, USB, FM functions, Bluetooth connection, convenient and fast, no need for complex line setup, more flexible to use. 3、COMPACT AND LIGHTWEIGHT: Bluetooth speaker with microphone, compact and lightweight design, with handle, more convenient to carry, so you can enjoy music anytime and anywhere. 4、USE SCENARIO: Portable karaoke machine, you can easily take it to places such as beach and outdoor, also suitable for parties, street performances and gym teaching scenarios. 5、RECHARGEABLE: Bluetooth speaker built in large capacity battery, USB charging, fully charged for continuous music playback, so you can enjoy the fun of singing anytime and anywhere. Item Type: BT Speaker with Microphone Material: Plastic Power Input: DC5V, USB Charging Support: MIC, AUX, Memory Card, USB, FM, BT Power Supply: USB Frequency Range: 100HZ-20KHZ SNR: ≥75dB Operation Method: Button Waterproof Rating: IPX 2 Battery: 800mAh Lithium Battery (Shipped with Battery) BT Version: 4.2 Speaker Specifications: 4 Inches Output Power: 5W 1 x BT Speaker 1 x 3.5 Microphone 1 x Microphone Cable 1 x Data Cable