Wireless Alarm Clock Speaker

Product Information: Type: Bluetooth speaker Connection Method: Bluetooth connection Interface Type: USB Battery Capacity: 4400MA Frequency Response Range: 100HZ-20KHZ Output Power: 10 Signal To Noise Ratio: ≥70db Power Supply Mode: built-in lithium battery Channel: 2.1 Play Time: 6 hours Bluetooth Protocol: 4.1 Number Of Speakers: 2 Effective Distance: 10 meters Function: insert card, remote control, radio, call function Operation Mode: button