New Beyution Bluetooth Headphones 2-in-1 Rechargeable Stereo Speaker Headphones, Wireless Bluetooth Headphones + Mini Speaker - Retail Packaging - 35% Retail Price - Black

Product Features
Built-in microphone Built in Noise cancellation technology, Allows clear communication;
Enables use as a headset and speaker.
Can listen Music and Talk with Phone.
3.5mm audio jack Provides a simple wired connection of a variety of devices.
40mm drivers Headphone and Speaker
total have four diameter 40mm Speaker.
Built-in rechargeable lithium-polymer battery
Built in 1000mAh Li-battery Battery, up to 25 hours Headphone play time, up to 3 hours speaker play time. also can Talk with Phone.
Carrying pouch Protects the headphones during transport and storage.
20Hz - 20kHz frequency response
64 ohms impedance(Headphone);
8 ohms impedance(Speaker)
Space-saving foldable headband Allows simple transport and storage .
Included micro USB Charge cable Makes it easy to replenish the battery& power.
Passive noise reduction Up to 15dB blocks background sounds for an immerse listening experience.
Noise Blackout with dual microphone technology promotes optimal call quality.
115dB sensitivity (@ 1kHz) Delivers powerful sound.
Frequency Response Frequency Response:20Hz-20KHz
Rated Power output Bluetooth headphone Rated power is 100mW ;
Bluetooth Speaker Rated Power is 3w.