Brand: A4TECH
Model: BH235
Color: Black
Bluetooth Version: v5.3
Operating Range: Up to 10m (32 feet)
Built-in Battery: 400mAh Lithium Battery
Playback Time: 55H
Charging Time: 1.5H

HEADPHONE
Speaker Unit: 40mm
Frequency: 20Hz – 20KHz
impedance: 32ohm
Sensitivity: 98dB

MICROPHONE
Mic. Type: ENC Single-Directional
Frequency: 100Hz – 10KHz
Sensitivity: -42dB

CABLE
USB Type-C Charging Cable: 50 cm
Warranty: 1-Year Brand Warranty