... ,High quality with competitive price 5,OEM also welcome WST-960 mp3 headset ,retractable headphones1) Play music by inserting SD/TF ... indicator9) Forward and Rewind functionABOUT PRODUCT: FM wireless headphone WST-960 CE, ROHS, FCC certification direct the factory sale high quqlity ... Max consumption current: ≤30MA Receiving Distance: ≤30M retractable headphones WST-960