Main Features: • Ultra-thin body, youth fashion color • Light body, using precision technology molding, metal brushed appearance • HD phone, silicone ear hook and earplug, firm and comfortable • Use Bluetooth 4.2 chip to provide you with fixed phone stable wireless communication sound quality • It can connect two mobile phones, and multi-point connection is more convenient • The polymer cell can effectively reduce the power consumption of Bluetooth, save the whole power, and extend the standby and talk time • Intelligent shutdown, 5 minutes after disconnection earphone automatically shutdown • Intelligent lighting display, know the usage of earphone at any time, prevent the earphone is out of power Specifications: ABS metallic paint Bluetooth version: Bluetooth4.2 Transmission distance: 10M Frequency response: 2.402GHz - 2.480GHz Output sensitivity: -6 - 4dBm Microphone sensitivity: -42db Battery capacity: 80mAh Playback time: 4H Standby time: 70H Charging time: 1.5H Resistance: 32 ohm Rated power: 3mW Drive unit: 10mm Line length: 25mm Package Contents: 1 x Earbud, 1 x Charging Cable, 1 x Chinese / English Manual