OTTO Bluetooth Cellular Car Kit features dual wireless headset/speaker phone functionality; embedded digital signaling processing (DSP) technology offers superior sound quality, and compatible with most bluetooth enabled devices.

Specifications: Bluetooth version 1.2; 33 ft range; up to 6 hours talk time; up to 200 hours standby time; 2.5 hours charging time; 2.56 oz weight of whole set; headset dimensions 2" x 1" x .6"; whole kit dimensions 4" x 2" x 1.25"