SONY RMT-AHM40 remote control, with volume adjustment and playback functions. - Brand: SONY - Model: RMT-AHM40 - Battery type: 2 x AA batteries - Functions: Volume adjustment, play, stop, mode switching - As shown in the photos, there are some small scratches on the outer cover, but the operation is completely problem-free. - We do not accept returns or cancellations after purchase, so please ask any questions you may have. Thank you for viewing.