3.98 ounces

Make sure this fits by entering your model number.
Digital Power Display and Wireless Charging: With dual digital power display, it is easy to know the remaing power of charging case and you’ll know exactly earbuds are being charged when you put them into the charging case. Charging case supports wireless charging and USB C Charging, just place the charging case on the wireless charging pad(not inclued) or plug the USB C cable(Included) to charge the case. The number of digital power display flashes when you charge the charging case.
48H Playback and One Step Pairing:Each over ear headphone has 8H plackback on a single charge.Charging case provides 2 times extra charge for both ear buds.The total battery life of these bluetooth earphones is 48H while using in turn.Earbuds will auto power on while picking them out and auto pair with your device after first connection.For first paring,open the case and take earbuds out,then choose”K23″on bluetooth list of your phone,and then sport earbuds will connect and work with it.