This item is discontinued and no longer availableWireless microphone speaker , Echo effect , Microphone volume control , Bluetooth connection (Bontempi48) , Socket connection to a MP3 player (cable included) , Mini USB socket and its cable can be used for charging the lithium battery (cable included) , Using time: 3-4 hours , Charging Time: 1 hour - 3 assorted colors: Silver, Metal powder, Gold, with table display The information provided here is as complete and accurate as possible; however, product names, colours and/or materials are subject to change without notice.