Specification: Type: Party Speaker Color: Black Size: 170*172*39.9mm Wireless Version: 5.0 Speaker Unit: 2* 4 inch woofer Output Power: 16W Peak Music Power Output: 2000W Power Supply: DC 5V 1A Battery: 3.7V 1800mAh Play Time: 3-5H Frequency Response: 150-18KHz Funtions: Microphone/USB/TF/AUX/FM/TWS/Remote control TWS Function: 1.Open two Speakers 2.And then long press the Pause button on one Speaker 3.Until we hear the beep 4.Connect your phone to Speaker Bluetooth Package Included: 1 * Bluetooth Speaker 1 * Wired Microphone 1 * Remote Controller 1 * Strap 1 * Charging Cable