Specifications:Enjoy hands-free calling with the ear-hook Headphone. This headphone has a single earpiece design and offers a wireless range of about 10m. Its boom microphone ensures clear and distortion-free voice. You can use this it with compatible Bluetooth-enabled devices. To keep external disturbances at bay, this black headset offers a noise cancellation feature.In addition, it facilitates convenient volume control. Item Name: bluetooth-compatible Headphone Quantity: 1Pc Bluetooth Version: V4.0 Bluetooth Range: about 10m Sound Track: Stereo Power Supply: Build-in Battery (Included) Features: Ear Hook, Earpiece, Handsfree Call, Volume Control, Rotating Microphone Size: 18.6cm x 11cm x 3.5cm/7.32" x 4.33" x 1.38" (Approx.) Notes: Due to the light and screen setting difference, the item color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x bluetooth-compatible Headphone 1 x USB Cable About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks comptiable with your cooperation and we'll make you feel satisfied.