Bluetooth Glasses CSR Bluetooth 4.0 Answer phone Call Listen to Music MP3 Player

Description

①
Function key
②
Volume+/Next song
③
Volume-/ Previous song
④
Indicator
⑤
USB Port for earphone/charging
Specification
Bluetooth version
：
V4.0
Main control chip
：
CSR
Operating distance
：
33feet (7-10meters)
Battery capacity
：
250mah Polymer lithium battery
Music playing time
：
6.5-8hours
（
listening music alone
）
Charging
：
suggest use DC5V1A adapter
Standby
：≈
100hours
Signal-noise ratio
>
75DB
，
Degree of distortion:
<
0.1
Support
AAC,MP3,SBC,
Stereo
How to use ?
1) Turn on phone bluetooth
2) long press the 1 button for 3 seconds, the green light will on . and then it become green and red light continously shining.  check the phone bluetooth find “XTC-258" paired
3) enjoy music and answer phone call
4) short  press button 2 and 3 can be next song /previous song , long press it, volume +/volume-
5) long press the 1 button shut down glasses .  red light shiing 1 time
This usb cable is the same as android usb, so if cable is missing or can not work , use android cable instead will be ok .