Syllable professional wireless bluetooth noise cancelling stereo headphone

Syllable professional wireless bluetooth noise cancelling stereo headphone
This is noise canceling Bluetooth headphones with builtin rechargeable lithium battery. It is for both wireless and wired use. With the help of either Bluetooth or cords with microphone, you can listen to music, answer the phone, hang up the phone, make calls and so on. This headphone can interchange between Bluetooth and cords control functions automatically. Bluetooth mode won't work under cords control mode. Vice versa.
Main Parameters
1. Noise reduction:10DB-15DB
2 . Bluetooth: 2.4GHZ
3. Receiving Range :10-40 meters without obstacle
4. 40MM HiFi loudspeaker
5. Frequency range: 20-20,000Hz
6. Working voltage:3.6V
7. With microphone function, microphone sensitivity:45 DB
8. Charging method: 2.5 DC charging plug
9. Plug: 3.5 mm stereoscopic plug
10. Installed rechargeable lithium
battery:33*23.7*6.8mm(400Mah) 11. Standby time: 180 hours, continuous working 8 hours
Features:
1.Wireless function (Bluetooth). Bring convenience to the life and work
2.High definition function: 2.4 GHZ

Syllable professional wireless bluetooth noise cancelling stereo headphone

• Wireless bluetooth function
• Noise cancelling
• Can be used both wired and wireless

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