CSTW-428 Bluetooth Speaker Manual long press ON buttons of two speakers, red led starts blinking; ON voice prompt heard, 1.On:
speaker is waiting to connected to bluetooth. long press PAUSE/PLAY/CALLING of any one of two speakers, then this 2.TWS mode:
speaker is the chief speaker. The other speaker(vice speaker) will connect to the chief speaker automatically, the led rim of the vice speaker will start to change automatically after connected to chief speaker, the LED rim of chief speaker still blink which shows that it waits for the connection with phone ; two speakers will connect automatically after turn on if paired once. Note: get two speakers connect first, then turn on BLUETOOTH function on the phone to make sure vice speaker can connect to chief speaker. 3.play: 1). Volume+: long press 2).Volume-: long press 3).forward: short press 4).backward: short press 5).play/pause: short press 6answer phone call: press 7) reject phone call: press 4. LED mode: three modes, 1)change LED colors automatically,8 colors 2)change LED colors manually,8 colors 3)party mode 6.charging mode: after the third mode of LED mode, no LED light, red LED partly which is charging light can be seen when charging; the red LED partly will go off when fully charged. 7.calling mode: only chief speaker can be used to phone calling. 8.specification Bluetooth version Battery voltage Nominal power Speaker Impedance Driver Size Frequency Response S/N Play durationmaximum volume V5.0 3.7-4.2 V 3W 4 45mm 100Hz-20KHz 90DB 4hrs Remarks THD: 10%
10m range(between speaker 1800mAh 3hrs 10-15m Battery Charge time Operation range(between speakers and phone) Operation and speaker) FCC Statement Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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 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.