Battery: rechargeable Polymer Lithium-Ion Battery, DC: 3.7V/590mAh for charging case, 2 x 75mAh for earbuds
Power: USB DC5V, Please use the USB-C cable included with your ROCKit / SACKit Rock 250 earbuds for charging
Charging Time: For first time use please be sure the battery has been charged fully before use. It needs more than 2 hours of charging the first time, then 2 hours for recharging
Use ROCKit / SACKit Rock 250 earphones
For first use: Remove ROCKit / SACKit Rock 250 earbuds from the case. Both earbuds will blink white on the top edge LED
The left earbud will blink red/white, indicating ROCKit / SACKit Rock 250 is in pairing mode and the earbuds are connected via True Wireless Stereo
Switch on Bluetooth on your device
Choose “ROCKit L” / "SACKit Rock 250" under Bluetooth settings on your device. Your earbuds are now connected with your device
Start playing music on your device
ROCKit / SACKit Rock 250 automatically switches on/off when connected/disconnected to the charging case. Manually power on/off by holding down the earbud buttons for 10 seconds
ROCKit / SACKit Rock 250 will automatically pair with the last connected device.
To connect to a new device make sure that the previous connected device is disconnected otherwise connecting opportunity won’t appear on the new device.
How to pair ROCKit / SACKit Rock 250 earbuds with Bluetooth devices
Simply remove your ROCKit / SACKit Rock 250 earbuds from the charging case or long press the X button on your earbuds for 10 seconds. After the first 5 seconds, you will hear the ON sound. Keep pressing the button for another 5 seconds to turn on pairing mode, indicated by flashing red and white LED lights
Please keep the earbuds and Bluetooth device in range of 1 meter when pairing and make sure ROCKit / SACKit Rock 250 is turned on
Go into the Bluetooth settings on your device and search for new Bluetooth devices and select ROCKit L / SACKit Rock 250
The LED light will blink white once ROCKit / SACKit Rock 250 is successfully paired
Long press X button on the earbuds to turn off your ROCKit / SACKit Rock 250 earbuds
ROCKit / SACKit Rock 250 can remember 8 devices: You can pair 8 units with your ROCKit / SACKit Rock 250, at 9th unit ROCKit / SACKit Rock 250will forget the first connected
Operation instructions for use after first pairing
After first time pairing your ROCKit / SACKit Rock 250 earbuds and Bluetooth device will automatically reconnect
Turn the earbuds on by holding down the X button until you hear the ON sound or by removing the earbuds from the case