The sound performance could also be affected when BT transmitting devices is under poor signal environment, or under low battery capacity.

When BT transmitting devices cannot be connected, please delete the rest BT receiving devices name on the list.

Some terminal players are without automatically switching play functional this case, POP noise will exist in the interval of every 2 songs.

Bluetooth is a bidirectional transmitting protocol transmitting distance is highly related to audio player.

People should try not to use this product under high frequency environment.

Hand free call is only available at BT connected status: Still the phone call could be interfered with high frequency electromagnetism.

Parameter Battery voltage 3.7V 4000MAH Charging time 8 hours Loudspeaker size 40MM x 2, 4Q3W Unit weight 260G Product size 160*60*36mm

The power bank: device connected to this equipment must charge, after the mobile power indicator will light up, said twenty-five percent of this equipment electricity per lamp.

Radio mode: short press the ‘M’ key to switch to radio mode, long press the ‘Pause” button can realize automatic radio channel, after the success will automatically play.

The LINE IN function: connection device 3.5 MM audio interface, easy to complete with PC/IPOD/PHONE/MP3 / MP4R perfect docking (short press the “M” key to switch to the LINE – IN mode).

The TF card play: playing songs in MP3 format which saved in TF card.

Mobile phone connection: open the phone’s Bluetooth function, search the Bluetooth audio device name: JL BT, matching after the connection is successful can be played out and calls hands-free Bluetooth function.

How To Fix Bluetooth Missing from Device ManagerĬomputer connection: first of all, the computer needs to have built-in Bluetooth, don’t need an external Bluetooth adapter, and updates the Bluetooth driver, Open the Bluetooth speakers, computer search Bluetooth audio device name: JL BT, matching can achieve Bluetooth play after the connection is successful.

Roker sound cube user manual