WK Y25 Amber Bluetooth + 3.5mm Elbow Plug Dual-purpose Ear-mounted Wired Earphone (Blue)

Features: 1. 10mm diameter polymer nano diaphragm dynamic speaker driver unit 2. Medical grade hypoallergenic 3D printed shell the surface is cured by UV scratch-resistant sturdy and durable 3. The 0.78mm brass gold-plated 2 Pin plug is pluggable design which can be changed into a Bluetooth headset in seconds by replacing it with a Bluetooth upgrade cable (Bluetooth upgrade cable is not included) 4. Comfortable and environmentally friendly PVC twisted-pair cable with long service life 5. With ear hook design it can be tightly attached to the ear and worn firmly on the ear 6. Leather storage bag exquisite and practical Product specifications: 1. Material: Resin + PVC 2. Frequency response: 20Hz-20KHz 3. Output sensitivity: 107dB 4. Net weight: 25g