Thank you for viewing. 【Please check my profile】 ◆Product Details◆ BT W Air earphone Black Earphones ・Rechargeable simply by returning them to the case ・USB rechargeable case (cord included) ・Wireless connection ・For both ears ・Charging time: Approximately 1-2 hours (case) ・Music playback time: Approximately 1.5 hours ・Continuous call time: Approximately 1 hour ※Times may vary depending on the environment. Amusement prize Opened, unused