Foldable headset Bluetooth headset Super bass stereo Foreign trade explosion Bluetooth headset | Audio

Product parameters: 1 .Product Type: Bluetooth Headset 2. wearing method: head-mounted 3 .functions Use: Wireless headphones, voice headphones 4. frequency range: 20-20000Hz 5. Sensitivity: -90dB±3dB 6 .total harmonic distortion: 0.1% 7. Blue Teeth Version: V4.2+EDR 8. output power: 2.402-2.480GHZ 9. charging interface: mini USB charging hole 10. battery type: lithium...