2019 new bluetooth noise headphone anc earphone

 2019 new bluetooth noise headphone anc earphone Popular Sound Cancelling Headphones Bluetooth Headband Headphones: 1. Hot sale new headphone noise cancelling with excellent sound quality . 2. Headband Headphones Good  for listening MP3/Music, watching DVD/movie, online chatting and game playing .  3. Newest and  best selling Headphones . 4. Headband is adjustable to fit different sized heads . 5. Wireless Headband Headphones Advantage price and high quality for mass purchase . 6. Beautiful package for your retail . Features for Noise Cancelling Headphones : 1. Version : V4.2 2. Microphone sensitivity : 1kHz - 24dBV/Pa 3. Impedance: 32 ohm 4. Frequency : 20Hz-20KHz 5. Transmission range : up to 10M 6. Sensitivity : 100dB 7. Battery type: 3.7V ,500mAh 8. Charging time: 2-3 hours 9. Wireless, no ANC ,msic play…

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