This machine is using the latest technology bluetooth devices, can and cell phone, desktop and laptop computers, pdas, and other bluetooth devices in the 10 m range wireless connection. Technical parameters: The operating frequency range: 2.402 GHz 2.480 GHz Meet the standard bluetooth V3.0 Wireless connection range: 10 meters The transmit power: Glass2 Support Headset&Handsfree Profiles Built-in rechargeable lithium electricity headphones can be 120 mAH battery Headphones call time: 6 hours standby time: 150 hours







