... every customer's demand. Thank you very much for your support! Specification1. Low Radiation, support USB ... 32 ohms11. Speaker diameter: 30mm12. USB Charger: 5.2V 500mA 13. Dimension:21*6*6.7CM14. ... (Blue, Red, purple, yellow, pink, green, orange, black, whiter, pearly white)16. Material: Plastic, or Plastic ... , balance before shipment.RemarkMade in China wireless bluetooth headphone,bluetooth handset