Combo portable

WS 858Karaoke Wireless Bluetooth Microphone & Hifi Speaker Microphone lets you sing over your favorite songs:) Built-in Bluetooth Speaker can connect to any Bluetooth device (such as Smartphone, Tablet, Car, PC, etc) Portable and Rechargeable (Convenient to use). Multi-Functions (Such as Microphone, Speaker, Selfie, Recording, Voice Changer, FM Radio, and much more). Combo Feature (Microphone & speaker work at the same time) Reverb Mode: Echo Sound Reverb FM Radio USB Connection Support Memory Card Support Micro USB Port for charging and for Auxiliary connection Material: Aluminum Alloy + ABS Size: 22 x 8 cm Battery Capacity: 1500 mAh Back up Time: up to 4 hrs Charging Time: 2hrs Bluetooth Version: 4.2 Output Power: 5 Watt Frequency Response range: 100Hz ~ 10KHz