Unifire Wireless Headset best or high sound quality (UN-5800)

Product: TRUE 440

• Wireless connection, magnetic charging, large capacity power box.

Specifications:

• Bluetooth Version: V5.0

• Stand-by Time: 200h

• Talk Time: 10h

• Play Music Time: 10h

• Frequency Range: 2.402G-2.480G

• Ambient Temperature: -20/+60°C

• Transmission Distance: 10m

• Headphone Capacity: 45mAh

• Battery Capacity: 300mAh

Driver Specification:

• Drive: 13.5mm

• Sensitivity: 102dB+3dB

• Impedance: 32Ω+15%

• Frequency Response: 20-20000Hz