Charge and store up to 16 Listen receivers and/or portable transmitters. This hard case incorporates automatic drop in charging (no hookup of cables to individual products required). The units turn off when fully charged. Features: Charges and stores up to 16 receivers and/or portable transmitters Lockable hard carry case with power supply, automatic drop in charging, durable latches and shoulder strap Individual earphone storage slots prevents cord tangling; large pocket for power supply, headsets and additional items Use with any Listen belt pack unit (LT-700, LR-500, LR-400 or LR-300) Use with NiMH batteries Black with silver trim Dimensions: 18.25" x 13" x 6.75" Note: Leave case open when charging. Charging units may overheat and present a fire hazard in a closed case. Please allow 2-3 weeks delivery for this item.