HUMMER MAX stimulation vibrating sleeve increases your overall experience when using the HUMMER 1.0 or HUMMER 2.0. This uniquely designed, vibrating stroker that has an inner hair like texture and is 6.5 inches deep, can be used with or without the HUMMER BJ machine. Call it a little something extra from us to you: a detachable vibrating stroker. 1 MOTOR 10 VIBRATION MODES SUBMERSIBLE TRAVEL LOCK WHISPER QUIET CHARGE TIME: 90 mins PLAY TIME: 60 mins PRODUCT DIMS: 3 x 3 x 8.5