IPx5, Bluetooth 5 with Qualcomm aptX Audio, AAC, Mic, Qualcomm cVc Echo Cancelling and Noise Suppression 8.0, 8 Hour Playtime.Monoprice™ TrueWireless™ Plus Earphones are the perfect way to experience your music collection without the hassle of wires. Get powerful sound from a comfortable, ergonomic design for up to 8 hours of continuous listening. Easy link technology allows the earphones to automatically pair when removed from the case and the latest Bluetooth® with Qualcomm® aptX™ Audio technology ensures a strong connection and CD quality sound from up to 30 feet. Easily charge your earphone case with the wireless charging feature. Monoprice TrueWireless Earphones Plus offer complete freedom from wires and are perfect for people that want great sound on the go.Bluetooth® 5 wireless connectionSupports the Qualcomm® aptX™ Audio, SBC, and AAC audio codecsFeatures Qualcomm® cVc™ Echo Cancelling and Noise Suppression technologyWeighs only 0.1 oz. each. 30 Day Money Back GuaranteeMonoprice™ stands behind every product we sell with a 30 day money back guarantee! If the product you purchase does not satisfy your needs, send it back for a full refund.