and Specifications: Enjoy hands-free calling with over-ear headphones. This headset features a single earpiece design and provides a wireless range of about 10m. Its boom microphone ensures clear sound without distortion. You can use it with compatible bluetooth devices. In order to avoid external interference, this black earphone offers noise cancelling. Also, it helps with convenient volume control. Product Name:Bluetooth Compatible Headphones Quantity: 1 Bluetooth Version: V4.0 Bluetooth range: about 10m Audio Track: Stereo Power: Built-in battery (included) Features: earhook, earpiece, hands-free calling, volume control, rotating microphone Dimensions: 18.6cm x 11cm x 3.5cm / 7.32" x 4.33" x 1.38" (approx.) Package includes: 1 x Bluetooth Compatible Headphone 1 x USB Cable Caution. 1. Different monitors used, different computers, different camera angles, there may be angle colour issues. 2. Purely manual measurement, there may be 0-1cm error. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store