2.4g transmission up to 15m/49.21ft(). Applicable to: smart tv, , network decoder, mini pc, android tv box, htplc, pctv. Specifications: Baud Rate: 1mbps Operating Frequency: 2.4ghz-2.4835ghz Output Power: -18dbm-0dbm Controller Function: 2.4g voice remote control Remote Control Distance:Less than 10 meters Battery Type:two7 batteries(not included) Power Consumption:Less than 40mA Standby Power Consumption:Less than 30A Materials:plastic Color: Black