YHhao Wired/Wireless Over-Ear Headphones, Noise Canceling Headsets, Foldable Headsets with Volume Control, Built-in Mic for PC, Computer, Laptop, Smartphone, etc -Black

YHhao Wired / Wireless On-Ear Headphones, Noise Canceling Headsets, Foldable Headsets with Volume Control, Built-in Mic for PC, Computer, Laptop, Smartphone, etc. Technical specification: Bluetooth profile: Support A2DP1.2, AVRCP1.0, HFP1.5, HSP1.0 RF range: 33 feet Frequency Response: 80Hz-20KHz Loudspeaker Output: 10mW Signal-to-noise:?80dB Distortion:?5.0% Talk time: 6-8 hours Standby time: 240 hours Charging time: 2.5 hours Package: 1 x Headphones 1 x Charging cord 1 x 3.5mm cable 1 x User Manual If there is anything we can do for you, please email us freely. Thank you!