Wireless card Bluetooth sports earphones, long battery life, head-mounted Bluetooth earphones

Wearing method: head-mounted
Headphone output source: universal
Plug type: Bluetooth
Is it a wireless headset: both
Is there a microphone: yes
Frequency response range: 20HZ-20kHZ (Hz)
Distortion rate: ≤1 (%)
Wire length: 1m (m)
Speaker diameter: 40mm (Φmm)
Earplug/earmuff material: high-quality protein cotton
Headphone cable material: copper
Style: retro style
Headphone category: headphone
Sensitivity: 105±3
Impedance: 32