Bluetooth: 4.1, Charging time: 2 to 3 hours, Speaker: 40mm,Frequency Response: 100HZ-20KHZ Light & Lovely mushroom design Hands-free talk Round Suction Cup & Used as Stand Super Bass System & LED Light Color: Blue Product Description: Bluetooth standard: V4.0+EDR Battery: Built-in rechargeable 280mAh lithium battery USB Charging input voltage:5V Speakers rated power output: 3W Battery's capacity: 3.7V/280MA; Maximum power play time: approximately 2 hours (The volume will affect the time). Work frequency: 2.4GHz Net weight:2.29oz Bluetooth Speaker Functions: 1.Wireless Bluetooth Input,Compatible with iPhone, iPad and all bluetooth device. 2.with microphone,Hand-free function to answer the phone. 3.Play/pause,Vol.-/ Previous song, Vol.+/Next song function. 4.Holder for mobile phone,iPad,tablet. What is in package: 1 x Wireless Bluetooth speaker