Blue Wireless Earphones Wireless Earbuds Bluetooth Earphones Bluetooth Earbuds These are fully wireless earphones with a long-life battery. They offer up to 11 hours of playback on the earphones alone, and up to 22 hours with the charging case. They feature a 2-way dynamic speaker system with a tweeter for high frequencies and a woofer for low frequencies. They also have "Ambient Sound Function" and "Game Mode Function," and three microphones to reduce external noise, providing excellent call and voice quality. No issues with use. ・No need to ask "Can I buy it?" etc. Immediate purchase is possible. ・Please send messages only if there is a problem. ・Messages are not needed if there are no issues, as notifications are bothersome. ・Some items are not subject to price reduction or bundling. ・Please comment and purchase only if you understand Japanese. ・Yo-yos will be disassembled, and musical instruments will be wrapped in bubble wrap for shipping. ・Stuffed animals will be slightly compressed for shipping. ・Users who do not provide a receipt evaluation will receive a low rating and be blocked. ・Price reduction requests should be made in the comments, as I do not receive notifications. ・For large items, please be sure to specify the date and time for delivery. ・A low rating will be given if a message is sent without any issues or if a price reduction is negotiated on an item that is not subject to price reduction. ・Price reductions are not possible for items that are not subject to price reduction, even when bundled. ・Items that have been updated within the last day or so have just been reduced in price, so please do not negotiate a price reduction.