WEIKING TECHNOLOGY BT121 User Manual

BT121 Bluetooth speaker

User Guide

Accessories:

1. Micro USB Cable ( for charging )

2. 3.5mm Audio cable ( AUX-in cable )

3. User Manual

Bluetooth Connection:

Turn the speaker on by long press the power button for 2-3 seconds. The Blue LED light flashes

quickly, The speaker now has entered the Bluetooth pairing mode.

Connect to mobile phones/tablet PCs/computers:

1. Activate your phone's Bluetooth

2. Go to your phone's Bluetooth settings , scan for new Bluetooth devices

3. Upon device found (BT121), click the device name and pair with it

4. If your phone ask for pairing code , please enter ”0000” and confirm

5. After successful pairing, your speaker will sound a prompt tone and the LED

Lights keep blue.

Note: Pairing time is varied with different mobile phones. It only need to pair at the first time and

it will auto connect the devices which already paired before( Speaker only can remember the last

8 paring devices name)

TWS Function

Turn the two speaker on, and press one of the Bluetooth speaker’s Bluetooth button, LED flashing

Blue and Green, speaker waiting for Stereo pair, after 3-5 seconds,after speaker will pair as TWS,

there will be a prompt song, and LED goes blue, and connect by your phone, you can play music.

Kindly noted, The main speaker is the one you press blue button.

AUX -IN function

The speaker also features one AUX audio in port, simply connect the speaker with your

non-bluetooth mobile phone/MP3 player/PC/laptop with the 3.5 mm jack audio cable. the green

led will be on ,then you can play music via wired connection

Charging and computer connection

Connect the micro USB charging cable to a computer or USB charger, red Led indication
for charging status.

Red LED goes off upon charging finished. 3-4 hours for charging time base on 5V,1A.)

Low power indication: Speaker will have prompt sound to remind you to charge if battery is low

( battery only left 10%). User need to charge the speaker timely.

Specification

The meet Bluetooth 4.2

Transmission distance: up to 10 m (transmission distance may different according to

environmental factors and other device's functional range)
TWS Distance：Up to 5m

output power: 5W

Size:70*77*105mm

signal to noise ratio S / N: ≥ 70dB

Frequency Range: 160Hz-20KHz

Distortion THD: ≤ 3%

speaker unit: diameter 57 mm, inner magnet 4ohm.8W

Rated voltage: 3.7V DC

Battery: built-in lithium battery, 3.7V/1000mA

Charge voltage, current: 5V ± 0.25V,1A

Charging time: 3-4 hours

Working time:5-8 hours

Button Instruction