What the Clip Mini Bluetooth Speaker lacks in size it makes up in sound quality. This Mini Bluetooth speaker features a built in microphone for easy hands free calls. With a two watt output the speaker produces a loud enough sound to be heard across the room. Bluetooth working range 33 feet. Play back time time: two hours at max volume. Charge time: one hour. 1.38" H x 1.38" W x 1.38" L. Imprint area is 1.00" H x 1.00" L on 2 color max centered on front and includes a 1 Colour Imprint on 1 Location. Packaging: Bulk. Please call for rush delivery availability or multi-colour/multi-location imprints.