Shure SB910, Li-Ion Battery, For the ULX ADX1 pocket transmitter, 3.6 V, 2200 mAh, Dimensions: 13.9 x 39.4 x 53.3 mm, Weight: 48g@+*Notes on disposal:* Due to the current battery law, you are obliged as the end consumer to return all used batteries and cells. Disposal with household waste is not permitted! Batteries that contain hazardous substances are marked with a crossed dustbin and with the chemical symbol (Cd = cadmium; Hg = mercury; Pb = lead) of the contained hazardous heavy metal. Used- and rechargeable batteries can be returned free of charge in store, at other points of sale for batteries, or at officially designated public points for disposal management.@+@+