Awei Sports Earphone | X660BL

• Bluetooth: V4.1
• Bluetooth protocol: A2DP, AVRCP, HSP, HFP, SBC
• Driver unit: 6mm dual dynamic drivers
• Sensitivity: 92dB
• Impedance: 16 ohm
• Voice frequency range: 20Hz 20KHz
• Transmission distance: 10m
• Power supply: 1 x 100mAh Li-ion battery (built-in)
• Charging voltage: DC 5V
• Charging time: 1.5 hours
• Music time: 4.5 7 hours
• Talk time: 5 hours
• Standby time: 200 hours

Support volume control and answer or end calls | Magnetic adsorption design avoids entangling cable  | Ergonomic design, fit your ear comfortably and avoid dropping  |  Intelligent voice prompts, know the status of your headphones in time | Advanced Bluetooth 4.2 technology enables it to pair with almost all Bluetooth-enabled mobile devices, and realize a high-speed transmission with low power consumption  | Filter surrounding noise and reduce background noise intelligently, enable much more clear music and mic sound, the integrated mic lets you chat without external noise or other interference