ANC headset noise cancelling a bass boost Bluetooth headphone swivel over-ear 
SPEC

• Bluetooth Version: V5.0
• Battery Type: Lithium
• Battery Capacity: 450mAh (MSDS/UN38.3)
• Standby Time: 100 hours approx.
• Talk/Music Time: 30 hours approx.
• Charge Time: 2.5 hours approx.
• Speaker Size: Φ40 mm
• Frequency Response: 20-20K Hz
• Sensitivity: 99 ± 3 dB
• Impedance: 32 Ohm
• Multi-color