NIYUO's true wireless earbuds (in-ear wireless earbuds). Unused, unopened, brand new. - 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 Approximately 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: Approximately 20m Thank you for viewing.