DQSM Audio Z&W Pandas PK2s Earbud In Ear Earphone Flat Head Plug Earplugs Headset HIFI Earbud 3.5 4.4mm Plug HiFi Headphones Specification: 1. Product Name: DQSM Z&W Pandas PK2s In Ear Earphone Earbud 2. Model: Pandas PK2s 3. Type: In-ear earbud 4. Impedance: 33Ω 5. Earphone sensitivity: 112dB/mW 6. Frequency range: 20-20000Hz 7. Interface: 3.5mm 8. Cable Length: 1.2m±5cm 9. Weight: 15g 10.Color: White 11.Whether with mic: No 12.Earphone plug type: Line Tpye 13.Earphone category: HIFI, Monitor 14.Drive unit: Dynamic unit drive Package included: 1x Pandas earbuds 1x zipper case 1x foam