DescriptionWith V3.0version which is available for most of devices withfunction. Knitted material is fashionable and keep warm in winter. Set-in MIC is available for cell phone to transmit the speaking phone to your audio devices directly so that the user can hands-free answering phone up via the device. Set-in rechargeable battery, charge via USB cable, long stand-by time.Features- Color: Grey and black.- Material: Acrylic fiber.- Size: Approx. 22 x 28cm/ 8.7 x 11 inch (LxW).- One size fits most. Stretches to fit comfortably.- Keep your head and ear warm and allows you to listen to your music without having to wear additional headphones, the wirelessstereo headphones brings you great sound quality.- With built-in microphone, hands-free design, convenient to phone up.- Perfect for gym, fitness, workout, sleepphone, outdoor sports such as running, jogging, hiking, camping, fishing, walking dog, holiday travelling and so on.- Suitable for all kinds of phones, iPad, laptop,bracelet and other devices.Specifications-version:V3.0.- Transmission distance: 10 meters and above- Frequency range: 2.402GHZ.- Talk time: 5-6 hours- Standby time: 220-270 hours- Receive sensitivity: lower than -80dBm- Rechargeable battery: 110 mah- Charging voltage: 5V 0.7A
