A very popular item! It's first-come, first-served, so we look forward to your purchase!! #Mizuki'sSales ✼••┈┈••✼••┈┈••✼••┈┈••✼ ⭐New, Unused ⭐Free Shipping ⭐Instant Purchase OK This is NIYUO's fully wireless earphones (inner-ear wireless earphones). New, unused, and unopened. - Model Name: K5 - Brand Name: NIYUO - Bluetooth Version: Bluetooth 5.3 - Waterproof Rating: IPX7 - Sound Quality: Hi-Fi Sound Quality - Game Mode: Yes - LED Display: Yes - Separate Left and Right: Yes - Manufacturer's Suggested Retail Price: 10,999 yen (tax included) - Color: Black External Dimensions (cm) Earphones: 3.3 * 1.9 * 1.6 Charging Case: 5.4 * 5.0 * 2.4 Continuous Playback Time Approx. 25 hours (with charging case) Standby Time: >120 hours Weight (g) Earphones (single ear): 3.0 Charging Case (excluding earphones): 32 Battery Earphones (single ear): 40mAh Charging Case: 400mAh Communication Distance: Approx. 20m Thank you for viewing.