1,brand headphone 2,CE,ROHS, FCC 3,Direct factory 4,High quality ... battery capacity indicator9) Forward and Rewind functionABOUT PRODUCT: FM wireless headphone WST-960 CE, ROHS, FCC certification direct the factory sale ... Max power output: 0.5W without distortion System mode: RF Complete Voltage: 3V Max consumption current: ≤30MA Receiving Distance: ≤30M brand headphone