Welcome to our store! 140mm large moving coil unit, allowing it has the feature of clear sound, shocking bass, high performance, stereo, no lag and no noise. 2Lightweight and highquality PU sponge earmuffs, suitable for you, no head clip, no pain in ears, skinfriendly and breathable, comfortable to wear. 3Highand 8209 quality leather and highand 8209 quality sponge, isolate external sound to ensure clear sound quality, you can immerse yourself in music 4The new upgraded version of Bluetooth 5.0, the sound is clear and stable without delay, no stuck or disconnected, you can enjoy wireless music. 5Switch between wired and Bluetooth modes at will, you can listen to music without electricity. Condition: 100 percent New Item Type: WirelessHeadset Material: ABSandPC Color: Black Chip Model: JL6936D Wearing Method: Head-mounted Bluetooth: V5.0 Sensitivity: -80dB Frequency Response: 2.401GHZ-2.482GHZ Bluetooth Protocol: HFP or A2DP or AVCTP or AVRCP or AVDTP or GAVDP Microphone Sensitivity: 102db3db Battery Capacity: Lithium Battery 300mAh (Built In) Impedance: 328 percent (1KHZ) Audio Signal to Noise Ratio: 90dB Speaker Unit: Approx. 40mm or 1.6in Playing Time: Approx.16-18 Hours (70-80 percent Volume) Talk Time: Approx.16-20 Hours Standby Time: Approx.5100 Hours Charging Input: 5V-1A Charging Time: Approx. 3-5 Hours .wang-edit-text{ font-family:'Arial' !important } .wang-edit-text table { border-top: 1px solid 000 border-left: 1px solid 000 } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000 border-right: 1px solid 000 padding: 3px 5px } .wang-edit-text table th { text-align: center } 1 x Earphone1 x 3.5mm Audio Cable1 x USB Charging Cable1 x Manual (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service. Thanks for seeing me, I hope I can help you. Good life to you.