How can you pair the Losei headphones with a mobile device via Bluetooth? What do the LED colors mean? How to use the buttons?
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Manufacturer: Losei
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CAUTION: Electrical Device. Read the safety instructions!
Step 1
Ensure that the Losei Earbuds headphone* battery is fully charged. Do not separate the two devices for more than 3 feet while pairing.
Step 2
Press and hold the multi function button on both sides for approx 7 seconds until the blue and red LED flashes alternatively. After approx 18 seconds the headphone is ready for pairing and can be connected with other Bluetooth enabled devices.
Step 3
Turn on the Bluetooth mode of your mobile device. It will automatically search for other Bluetooth enabled devices nearby. Choose the “TWS-K2” device from the list. Has the pairing been successful, one LED will flash blue twice every second while the the other LED will flash blue once every second. – In case your mobile device requests a password, please try the combination “0000” or “8888“.
Additional Information
The following functions can be controlled via the buttons.
| Function | Button How To / Control |
| Power On | Press and hold both multi function buttons for approx 5 seconds. A voice signal states “Power On”. |
| Power Off | Press and hold both multi function buttons for approx 5 seconds. A voice signal states “Power Off”. |
| Play / Pause | Press the multi function button once. |
| Volume Up / Down | This function can only be controlled via the device. |
| Skip Next Title | Press the right multi function button once. Skip the previous song is not supported. |
| Pick Up Call | Press the multi function button once. |
| End Call | Press the multi function button once. |
| Reject Call | Press and hold the multi function button for approx 2 seconds. |
| Redial last Number | Press the multi function button twice. |
| Change Language (Chinese to English) | Press and hold the multi function button for approx 7 seconds (pairing mode). Once the LEDs flash blue and red, press the multi function button twice. |
The blue green and red LEDs on the headphone / case have different meanings.
| LED Status | Headphone Status |
| LED off |
The headphone is turned off. |
| LED flashes red |
The battery is almost empty and must be charged. |
| LED solid red |
The battery is getting charged. A full battery charging cycle is about 2 hours. |
| LED flashes green |
The case is getting charged. |
| LED solid blue |
The headphone battery is fully charged. Total headphone battery run-time is approx 3 hours (wearing one earbud) or approx 2 hours (wearing both earbuds). |
| LED solid green |
The case battery is fully charged. It can recharge the earbuds approx 3 to 4 times. |
| LED flash blue and red |
The headphone is pairing with a device. |
- 4 high-speed USB ports (5VDC/4.2A), each port charges up to 2.4A for tablets, smartphones and other devices
- 3 grounded AC outlets. 15A/125V/1875W
- 300 Joule surge protector. EMI/RFI noise filtering provide electronic protection for your sensitive home/office devices
*Last update on 2019-12-08 / Affiliate links / Images from Amazon Product Advertising API