... hours and works up to 15 hours*Choice of usage: belt chip, neck hanging & waist band Specifications*Max output: ... body x 1set*Charger adaptor x 1set*Headset microphone x 1set*14650 Lithium battary x 2pcs*Audio cable x 1pc*Hanging belt x 1pc ... Applications Teaching, Tour guiding, Morning exercise, Training, Sports, Speech,Publication,Outdoor entertainment 2012 Belt ...