Bluetooth wireless headset

Material: ABS
Features: digital power display + breathing light + touch + mobile phone holder
Bluetooth version: 5.0 + EDR
Bluetooth protocol: APD, AVRCP, HSP, HFP
Beep: English
Effective distance: 10 meters (unobstructed)
Noise reduction version: CVC8.0
Microphone: Yes (bilateral call)
Pairing: Pick up automatic matching
Impedance: 32Ω
Sensitivity: 120 ± 5DB
Waterproof rating: IPX7
Battery capacity: 50 mah headphones, charging compartment: 1200 mah actual capacity (box / instruction manual does not write the charging compartment capacity)
Headphone use time: 4-6 hours (depending on volume)
Headphone charging time: 1 hour
USB output: 5 V 1A