Product review for Lyperkin Wireless Headphones Earbuds,4.1 Sports Earphones,Lightweight HD Stereo Noise Canceling Sweatproof Earbuds,Headset for Gym Running Workout,Built-in Mic,Snug Silicon Earbuds,up to 8H Playtime
✔ Bluetooth chip: CSR8635
✔ Music duration: 6-7 hours
✔ Standby time: about 220 hours.
✔ Effective distance: 10 meters
✔ Charging time: 2 hours.
✔ Voltage DC: 5V
✔ Sensitivity: 102+/-2db
✔ Frequency response range: 2.4-2.483GHz
✔ Line length: 54CM
✔ Impedance: 32 Omega
✔ Battery weight: 1.58g
✔ Battery capacity: 0314W (110mah)
✔ Power on: Press and hold the MFB button for 4s then the blue indicator light ﬂashes 3 times, or cover the whole touch area.
✔ Power off: Press and hold the MFB button for 4s then the red indicator light ﬂashes 3 times, or cover the whole touch area.
✔ Double switch "MFB" button or click the middle of touch area 3 times
✔ The above operation is also suitable for receiving or end calls, on or pending music playing.
✔ Long switch Volume+ to reject a call.
✔ Previous song: Slide on the touch area from front to back, or long press Volume- for 4s then let it go after you can hear the voice prompt (if the hold time exceeds 6s, then the function will be canceled).
✔ Next song: Slide on the touch area from back to front, or long press Volume+ for 4s then let it go after you can hear the voice prompt (if the hold time exceeds 6s, then the function will be canceled).
✔ 1 x Earphone
✔ 1 x Wire Clip
✔ 1 x Charging line
✔ 2 x Silicone Earplugs
✔ 1 x English Manual