Audio-technica Balanced Armature Type Inner Ear Headphones [ATH-E50] (Condition : Instruction Manual and Box Missing)

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

There is a defect in the condition of this item, "Instruction manual and box missing".
This item is sold based on the condition described above.
Please note that we do not accept any questions, returns, claims, etc.
Specifications
Type : Balanced Armature Type
Playback Frequency Band : 20 to 18000 Hz
Output Sound Pressure Level : 107dB/mW
Impedance : 44 Ω
Input Terminals : A2DC Connector Jacks
Plug : φ 3.5 mm Gold Plated Stereo Mini (L type)
Mass (excluding cord) : approx. 5g
Accessories : 1.6m Detachable Cord (φ 3.5 mm Gold Plated Stereo Mini Plug / L type), Case, φ 6.3 mm Adapter plug Adapter