JBL dual wireless microphone system with pro sound effects. This is the latest model with an LCD screen for channel switching, suitable for use with Partybox and other devices. - Model: JBL Wireless Dual Microphone System - Number of channels: 6 - Included: Wireless receiver, C-type charging cable - Brand: JBL - Features: JBL Pro Sound Effect Includes 4 Toshiba AA batteries (see photo 5). Thank you for viewing.