Product Name: Bluetooth HeadphoneProduct color: Black,White,Blue,Red,GoldMaterial:ABSGross weight: 0.80lbs/0.2696kgProduct size: 21x19x9cm/8.27x7.48x3.54inchPackage size:21.5x19.8x5.8cm/8.46x7.80x2.28inchBluetooth version: V5.0Battery capacity: 400mAhWorking time: 10-15hStandby time: 120hTransmission distance: 10mImpedance noise reduction: 32Ω/cvc6.0Features: support stereo Bluetooth listening music, TF card playback, FM, intelligent voice assistantBluetooth 5.0, 10m stable connection, high-speed transmission, music and video without lag, clear calls, reduce latencyHigh definition stereo headphones together with advanced software and noise reduction technology are designed to reduce ambient noises. It is ideal for phone calls, music, and entertainment. Lose yourself in immersive music even in the lowest volume levels!Seamless Bluetooth Connection: Wirele-ss Headphones are compatible with all Bluetooth enabled devices such as , Smart android phones, Tablet, Laptop, MP3/4 Player, Compuer, and other Bluetooth devices. Just slide the on/off button and the headphones will be in ready to pair mode. It is built to provide a quick and stable bl-uetooth connection and to EN-ABLE hands-free communication through our special noise reduction technology.40mm large unit, high quality moving coil, p-rofessional acoustic tuning, bring high school and low level of full-bodied soundSubtle design, the upper part of the headset is composed of taut rubber fabric, which helps to disperse the weight and reduce the pressure on the headTelescopic pole can be smoothly extended, stable in the position you want, always fit and wear, the frame wrapped in a soft t-ouch material, both excellent strength,null