Yamaha Ep-E70A Bluetooth Wireless in Ear Earphones with Mic Advance Noise Cancelling, Ambient Sound Mode, Listening Optimizer, Light Weight Black foldable Frequency range : 20~20kHz

Frequency range : 20~20kHz

flat and high-frequency boost to match instruments

Channel 1 provides variable threshold to enable automatic bus mute for announcements

Duo Charge - Through Solar Energy or Power outlet: Discover the convenience and flexibility of duo charge

Yamaha Ep-E70A Bluetooth Wireless in Ear Earphones with Mic Advance Noise Cancelling, Ambient Sound Mode, Listening Optimizer, Light Weight Black foldable Frequency range : 20~20kHzYamaha Ep E70A Bluetooth Wireless in Ear Earphones with Mic Advance Noise Cancelling, Ambient Sound Mode, Listening Optimizer, Light Weight Black Listening Optimizer: optimizes the sound in real time, adapting to you and your environment Advanced ANC: Cut the noise, not the music with this Yamaha exclusive Active Noise Cancelling technology that leaves your music pure and untouched Ambient Sound: choose when you need to be aware of your surroundings