Product specifications

Effective distance：≥10m

Horn diameter：10mm

Speaker power：3mW*2

Impedance:32Ω

Microphone sensitivity：-42dB±1dB

Snr: ≥90db

Distortion: ≤5

Frequency response：20Hz-20KHz

Playing time：about 4.5 hours

Earphone battery capacity：40mAh

Battery capacity of charging chamber：300mAh

Headphone charging time: about 1.5 hours

Charging time of charging chamber: about 1.5 hours

(Alltechnical data is subject to actual performance)

Product operation instructions

1.Power on:

Method 1: open the cover of the charging compartment, and the headset will automatically start to pair.

Mode 2: when the headset is off (outside the charging bin), long touch the left and right headset multi-function touch button for about 5 seconds, and the headset is on.

2.Power off:

Method 1: put the left and right earphones in the charging bin directly and turn off the earphones.

Mode 2: long touch the left and right headphone multi-function keys in the power on state, touch the key for about 5 seconds, and the headphone is turned off.

Note: when the headset is turned on, it will automatically turn off if it is not paired with the corresponding Bluetooth device for 3 minutes;Beyond the effective connection distance of the signal, not connected with the corresponding Bluetooth device,3 minutes later,the headset will automatically turn off.

3.TWS pairing:

a. When there is no pairing record between the left and right earphones, the left and right earphones will be paired automatically after they are turned on.

b. When the left and right earphones have matching records, they will be automatically connected back when they are turned on.

4. Automatic switch between left and right ears:

a. In the process of using the headset, put the left (right) ear into the charging box to charge, and it will automatically switch to the right(left) ear to play (and continue to maintain the music state before switching).

b. In the process of using the earphone, put the left (right) into the charging box for charging, which will not affect the normal operation of the right (left) ear

c. After TWS connection, when any one ear is in use, take out another headset to automatically connect TWS, and the left and right ears continue to work.

d. Turn on the left or right ear separately to connect the mobile phone back.

5.Pairing with Bluetooth devices:Open the Bluetooth setting option of the Bluetooth device to be paired, enter the option, find the Bluetooth pairing name of the headset ""Lenovo thinkplus XT85ll", and click the pairing name to pair.

6.Play music:

Previous song: continuously short touch the multi-function touch key of left ear headset for three times

Next song: continuously short touch the multi-function touch key of the right ear headset for three times

Volume plus: continuously short touch the multi-function touch key of the right ear headset twice

Volume reduction: continuously short touch the multi-function touch key of the left ear headset twice

Pause / play: short touch any earphone multifunction touch key once

7.Hands free telephone (paired operation of two earphones):

Answer an incoming call: short touch any earphone multifunction touch key once

Reject the incoming call: long touch any earphone multifunction touch key for 2 seconds

End the call and hang up: when the phone is connected, briefly touch any headset multifunction touch key once

8.Hands free (single headset operation):

Answer an incoming call: short touch the multi-function touch key of the headset once

When an incoming call is rejected: long touch the multi-function touch key of the headset for 2 seconds

End the call and hang up: short touch the multi-function touch key of the headset once

9.Activate voice help, game mode and music mode:

Activate the voice assistant: long touch the left ear multifunction touch key for 2 seconds to activate the voice assistant Game mode and music mode: long touch the multi-function touch key on the right ear for 2 seconds to enter the game mode , and touch again for 2 seconds to enter the music mode

10. Indicator light display:

Headset on: (left) the right headset indicator light is flashing green.

Headset off: (left) the right headset indicator light is green flashing 3 times and then go out.

Pair of ear teaming success: (right) left (right) headset indicator light is flashing green,(right) left headset indicator light is off.

Pair ear teaming disconnection: (left) the right headset indicator light is flashing green.

Bluetooth pairing success: (left) the right headset indicator light is off.

Bluetooth disconnection: left (right) headset indicator light is flashing green, (right) the left ear indicator light is off.

Charging bin to the headset charging: charging bin to the headset charging process, charging bin green light is always on and at the same time the headset green light is always on, when full of charging bin green light and headset green light is off.

Charger to charging bin: charger to charging bin charging process,charging bin indicator light is red flashing, when fully charged charging bin indicator light is red light is alwavs on.

Product precautions

(1) Do not try to disassemble or replace the product except for the operation methods that are specially marked in the manual Any parts inside.

(2) This product contains a built-in rechargeable battery. It is forbidden to hit, squeeze, puncture, or short-circuit the battery.

If the current temperature is too high, deformation, swelling, liquid leakage and other abnormal phenomena, please stop using it and do not place the battery in the In high-temperature and high-pressure environments such as open flames, sun exposure, heaters, stoves,etc., the battery should not be immersed in water.Stop use.

After using the headset, do not place the headset in damp, dust,oily smoke, steam,In high temperature and high pressure environments such as direct light, so as not to cause damage to the headset and battery.The battery can be charged and discharged for a limited number of times, and it will eventually age. When the battery is used abnormally, you can replace the battery with a new one.

However, do not replace the battery by yourself. If the battery is incorrectly replaced, there is a danger of explosion. Battery usage.

(3) After the product is scrapped, do not throw the product into the fire, and the waste treatment should be strictly in accordance with the garbage classification To process. Please use this product reasonably and correctly, so as not to cause certain harm and environmental damage.

(4) During the use of the headset, due to long distances, obstacles in the middle, or other wireless In the case of a series of interference such as electrical signal, Bluetooth signal, WIFI signal, etc., when the earphone is in use, listening to music, watching video, playing games,etc., there will be occasional freezes, unsynchronized voice or disconnection, such as In this case, please reconnect the headset or stay away from the interference.

(5) When charging the charger, please use a charging device with an output voltage of DC 5V/1A.You must choose charging equipment that has been certified by a regular manufacturer with CCC safety certification, and do not use fast charging Electrical appliances, so as not to cause too much battery load, and cause battery damage.

The continuous charging time should not exceed the specified charging time, and do not use it during charging to avoid damage.