VX9 Digital Wireless Headphones

Style: Headphone
Material: ROHS material
Communication method: wireless
Vocal Principles: Dynamic
Connector: USB
Volume control: yes
Wireless type: Bluetooth
Sensitivity: 84dB
Support memory card: yes
Waterproof: yes
With microphone: yes
Model: Bluetooth headset
Resistance: 32Ω
Line length: 0.8m
Plug type: wireless
Frequency response range: 50-20000Hz
Function: HiFi headset
Frequency: 2.40GHz-2.48GHz
Version: Bluetooth V5.0
Effective distance: 15 meters
Playing time: 20 hours
Power supply: powered by a rechargeable 400MAH battery
Charging time: about 3 hours
TF function: support TF card playback