Avlink Industrial TWS20 TWS Earphone User Manual
- June 6, 2024
- Avlink Industrial
Table of Contents
TWS20 TWS Earphone
Operation manual
Product name: TWS Earphone
FCC ID: R2M-TWS20
Manufacturer: AVLink Industrial Co., Ltd
Address: 7F., A1 Bldg., 1st Shuichanjingwan Industrial Area,
Nanchang Village, Gushu, Baoan Dist, Shenzhen, Guangdong, China
Introduction
TWS20 is a binaural wireless connection stereo Bluetooth headset. It uses the
original phase technology 5.0 chip design to realize wireless transmission of
high-quality stereo music between the left and right earphones and the mobile
phone.
Connect to the mobile phone, instead of the traditional TWS, mobile phone
music needs to be transmitted through the host and then to the slave for music
and sound transmission. The left and right earphones directly connected to the
mobile phone have the strongest anti-interference, the lowest delay, better
sound quality, and lower
Radiation and other advantages greatly improve the convenience and safety of
TWS headsets. The product design is compact and comfortable to wear. With the
400mA large-capacity charging box, it realizes an integrated charging and
storage design, which greatly improves the product’s battery life.
Appearance
Operation procedure
| Function | Operation | Result |
|---|---|---|
| Power On | The shutdown mode, Long press the multifunction key 2 seconds | The |
blue light 2 seconds, Power on reminding
Power Off| The standby mode, Long press the multifunction key 3 seconds| The
red light 2 seconds then off Power off reminding
Pairing| Boot automatically back Connected, Don’t succeed, enter the auto-
pairing mode| Paired Successfully Connected reminding
Volume Adjustment| Short Press Volume Up or Volume Down| If the user press
Volume Up or Volume Down to choose the volume, when the volume is in maximum
will beep reminding, minimum isn’t have any reminding
Play /pause| Play music| Press MFB Once
(Re-dialling)| Press MFB Twice| Standby
End call| Press MFB once| Talk
Receive Call| Press MFB once| Call
Reject Call| Long Press MFB Twice| Call
transferring call| None| None
Multipoint for HFP and A2DP| In pairing mode, connect to A phone first, and
then turn A phone blue Turn off the tooth function, turn on the Bluetooth of
mobile phone Band connect with BS36
Connect, and then restart the Bluetooth function of mobile phone A and
connect| Paired Successfully Connected reminding
Initialization function| Add or subtract the key for 5 seconds at the same
time in the matching state| DiDi reminding
Mobile TV frequency| Frequency function of Mobile phone entering TV in playing
State| None
Item| Visual Indication| Audio Indication
---|---|---
Charge| Charging| Lighting in Red (LED)| None
Fully charged| Lighting in Blue (LED)| None
Battery ow
(in Standby mode )| Flash Red (LED) When
battery voltage is 3.5V or
above, LED blinking normally. Below 3.3V, LED shows a “Battery Low”
indication. And auto power-off as below 3.0V| Battery low
power On| The Blue light 2 seconds| Power on
power Off| The Redlight 2 seconds and then Off| Power off
Pairing| Blinking in Blue and Red alternatively (LED) (last for 4- 5 minutes)
(0.8 sec. Red/ 0.8 sec. Blue)| Ready to pair
Paired Successfully| The blue light flashes slowly twice every 3 seconds|
Connected
Disconnect| The blue light flashes twice every 2 seconds| Disconnected
Incoming telegram| Blue light flashes once per second| Electronic sound prompt
One the line| Blue light flashes 2 times in 2 seconds|
End of the call| Blue light flashes 2 times|
Reset| Red and blue lights are on at the same time for I second| DiDi
reminding
Auto power off| Pairing unsuccessful (about 5 minutes) auto power off| Power
off reminding, Power
off
NOTE : This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses and
can radiate radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference
that may cause undesired operation.