Bluetooth Beanie Hat Headphone blueear Wireless Winter Knit Hats with Stereo Speaker and MIC 8 Hours Working Time for Outdoor Sports

Combine beanie and bluetooth device together, let you keep warm, hands free phone call answer and enjoy music everytime and everywhere, far away from phone radiation. Bluetooth beanie is a very nice festival gifts for your friends in winter season. Specification: Model: Bluetooth beanie Material: 100 % Acrylic Washable and Detachable: Yes Function: Answer phone, listen to music Certification: CE, ROHS, BQB Diameter: 10 inch Weight: 5 ounce Package: Color box Technology Specific: Bluetooth: CSR V4.0+EDR Speaker: 30MM,4?/0.5W & MIC ?2.2K? Battery: 3.7V/200mAh Inputting Voltage: 5V/1A Transmission distance: 10M or so Transmission distance of MIC: ?1 M Charging time:3 HRS Stand- by time: 150Hrs or so Continuous working time: about 8 Hrs Package Includes: 1* Bluetooth hats; 1*USB cable. 1*Manual