Please let me know if you don't need the box. Left earbud only, power-on and operation confirmed. Right earbud cannot connect. I was using size M earpieces. They have been disinfected. Other sizes are unused. Panasonic RZ-S30W wireless earbuds, white color with a stylish design. - Brand: Panasonic - Model: RZ-S30W - Color: White - Power: DC IN 5V Thank you for looking. Price reduced.