ABS plastic;Wireless version 5.0, with rechargeable 300mAh lithium polymer battery; 3W speaker output; Approx. 30 foot wireless range; USB C charging cable included; Includes a carabiner clip that can be attached to your backpack or bag; 2.75"w x 2.75"l x 0.75"d; Shipping available to contiguous U.S. addresses and Canada via Ground only. Cannot ship via Air, Internationally or to Alaska, Hawaii, Puerto Rico and any other small U.S. island territory.;