Wireless headphones with unparalleled sound quality! Superior stereo sound and strong bass. Wireless Bluetooth and wired connection. The microphone allows you to answer your calls while listening to your favorite music. Suitable for any kind of activity. With active noise cancellation function. Available in black, grey and pink. Bluetooth : V5.0. Frequency : 2.402-2.480GHz. Speaker: 40mm*1. Sensitivity: 105+- 3dB S.P.L at 1 KHz. Lithium Battery: 300mAh. Transmission range: 10m. Charging time: 2 hours. Using Time: 10 Hours.