4" Bluetooth TWS Party Speaker Features and Specifications - 4" High-Efficiency Speaker Built-in Bluetooth® 5.0 Compatible Allows Your Speaker to Work with Bluetooth® Enabled Devices True Wireless Stereo (TWS) - Allows You to Connect 2 Speakers Via Bluetooth® with TWS Technology So they Can Play at the Same Time and You Can Double Your Audio Output Colorful LED Lights Show Multi Connectivities - USB, Micro SD & AUX Inputs Allow You to Connect Your Non-Bluetooth® External Audio Devices Rechargeable Batteries (3.7V/1200Mah) FM Radio 1 Mic Input DC In Power - 5V 1A System Type - 4" Woofers Frequency Response - 90Hz-20KHz S/N Ration - 60dB Impedance - 3 Ohm RMS - 5W Lithium Ion Accessories Included - Manual Dimensions & Weight - Unit Dimensions (in) - 6.38 x 4.57 x 7.8 Unit Weight (lbs) - 1.1 Gift Box Dimensions (in) - 6.38 x 4.57 x 7.8 Gift Box Weight (lbs) - 1.22 UPC - 639131218048