Bluetooth speaker with led light

· wireless version:V3.0+EDR
· wirelessdistance: more than 10 meters
· wireless transmission power: CLASS2 4dBm
· wireless wirelessworking frequency:2.4GHz
· Speaker parameter :4Ω3W Diameter 40MM
· Signal to Noise Ratio:≥85 db
· THD: ≤ 0.1% (3.7V/1KHz/1.8W)
· Battery capacity:500MAH/ 3.7V
· Music playing time:4-6Hours
· Charging time: 2.5 Hours
· Feature: wireless, Handsfree calling, FM radio (Optional)
· Colour: pink,orange,blue,yellow