Features: Model: i7 Bluetooth version: V4.2Frequency: 2.4GHz Microphones sensitivity: 42Db Range: About 10M (33feet) in clear space Talking Time: one for 5-6 hours, and a set for 4-5hours Standby Time: one for 100 hours, and a set for 60 hours Charging time :about 1-2 hours Earbud: 3.7/65mAh rechargeable Li battery Charging box : 950mAh Charging power: DC5V Compatible phone: compatible with almost all the Android, Apple, Microsoft, Saipan system with Bluetooth mobile phone Common problems: 1.NOT PAIRING: please check if the headset has entered pairing mode. (Turn the Bluetooth on and keep press the function key until the LED light flashing Red and Blue alternately); 2.DEVICE NOT FOUND: please check if you have turned on the Bluetooth function on your devices, or please kindly try to restart your phone, the name of this earphone would be I7; 3.NOT CHARGING: please kindly check if you are charging correctly, if the earphone is completely out of power, it might take longer to be fully charged; 4. VOLUME CONTROL: consider it's so small size, you need to adjust the volume on your smart phone, there is only one key button on the earphone, for power on/off/answer or reject phone calls. Package Content: 2* Bluetooth Earbuds 1*USB Charging Cable For Earbuds 1*User Manual
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