Wireless earbuds that achieve high sound quality and low latency. - Brand: Sennheiser - Model Name: Momentum True Wireless 4 Please check the manufacturer's website for details. Only opened for operational check. Thank you for viewing. - Please check my profile. - Price negotiations should be done via the "Price Reduction Request" function, not in the comments. - Feel free to use the price reduction request function, as we may not always accept the request.