Product description This speaker is a blast from the past with modern technology and high quality. The LoFree Poison Speaker features 2 52mm Tweeters each with 10W of power. With a weight of 550g this speaker is ideal for home or travel, the integrated battery lasts up to 6 hours and if you have no device to play music with, you can tune in on the integrated FM Radio receiver. The speaker comes with two grips on the side to make carrying easier and soon you will be able to purchase a leather strap for the speaker as well. Specifications: Size: 180x105x70mm Weight: 550g Bluetooth Distance: 10 Meters Bluetooth Version: 4.2 Speaker Size: 52mm x 2 Rated Power: 10W x 2 S/N Ratio: 80dB Impedance: 4 Ohms Music Playtime: 6 Hours FM Radio Broadcasting Frequency: 88 - 108MHz Charging Time: 4 - 6 Hours Battery: Built-In Lithium Bluetooth Name: Poison M@LOFREE Legal Disclaimer Charge and Battery Time may vary depending on usage and the environment.