• The headphone supports AUX audio play to connect with PC, TV, etc.
• The headset supports TF card music max 32GB (memory card not included)
• Eco sponge earmuffs keep the headsets on ears comfortable when long wearing
• HD 40mm audio drive unit make the headsets amazing bass sound
• Bluetooth-compatible V5.0 wireless connection to most Bluetooth-compatible devices in no barrier 10 meters

Specification: 

• Speaker size: φ40mm
• Impedance: 32Ω
• Sensitivity: 110±3dB
• Frequency range: 20Hz-20KHz
• Microphone: built-in
• Sensitivity: -38±3dB
• Impedance: 2.2KΩ
• Bluetooth-compatible Version: V5.0
• Distance: ≤10m
• Battery capacity: 300mAh
• Charging Voltage: DC3.7V
• Working time: about 8 hours
• Rated power: 100mW
• Support function: FM, TF card, Bluetooth, wired function