Revolution 11 α True Wireless Earphones - Blue * Bluetooth 5.3 compatible * 4 hours of playback * Touch operation * 1.5 hours charging time ◎ This is an amusement prize. Brand new, unopened, with seal. ◎ About Shipping We will protect it from water damage and pack it carefully. We will ship via Yu-Packet Plus, so thank you. ※ Since we have not confirmed the operation, please contact the manufacturer directly if there are any product defects. - Model Name: Revolution 11 - Bluetooth Version: 5.3 - Charging Port: USB Type-C - Continuous Playback Time: Approximately 4 hours - Frequency Characteristics: 20Hz-20kHz - Accessories: Earphones, charging case, charging cable, instruction manual, package Thank you for viewing!