KZ-ZEX 1.2m Electrostatic Dynamic In-Ear Sports Music Headphones, Style:With Microphone(Gun Grey) Filter-USB Network Adapter Inner fabric: polyester

Inner fabric: polyester

No bluetooth paring

Dual port simultaneous use: 30W+5W / 20W+15W / 18W+17W (fast charging)

the frequency can reach 2

Charging without taking off the case can be charged

KZ-ZEX 1.2m Electrostatic Dynamic In-Ear Sports Music Headphones, Style:With Microphone(Gun Grey) Filter-USB Network Adapter Inner fabric: polyester1. Electrostatic + moving coil hybrid dual unit technology. 2. Frequency response range: 20HZ 40KHZ 3. Plug Type: 3. 5mm 4. Pin type: 0. 75mm 5. Sensitivity: 103dB 6. Ergonomic design, comfortable and stable to wear. 7. Standard 2Pin interface, free combination. Specification: Package Weight One Package Weight 0. 09kgs 0. 21lb One Package Size 12cm * 9cm * 5cm 4. 72inch * 3. 54inch * 1. 97inch Qty per Carton 160 Carton Weight 15. 40kgs 33. 95lb Carton