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1. / / : play/pause/ mode.
During music playing, press it to pause; if it’s paused, press it for playing; press it to change between, BLUETOOTH, AUX,
FM, USB modes; under FM mode, press it for a long time for channels searching; press it to pause under AUX and re-press
to play; under BLUETOOTH mode, press it to answer the call when call comes, re-press to hang off
2. : press it for a long time for volume decrease during music playing; short time press for last song. Under BLUETOOTH,
it’s only for volume decrease
3. : press it for a long time for volume increase during music playing; short time press for next song; under BLUETOOTH,
it’s only for volume increase
IV. Features
1. FM radio: search channels automatically and can save the channels for future use
3. with built-in Li battery, can be powered by USB cable or DC 5V USB cable
4. with power failure recovery functionautomatically start from power off point when it’s powered again
5. 3.5mm Aux cable, easy to connect with computer/MP3/MP4/IPOD/IPHONE…
6. Connected with computer through USB, the priority mode is to play music from computer. Aux cable is not needed.
7. Play music through bluetooth connection
V. Product Parameters
Product ModelQBT-220
Bluetooth SpecificationsBluetooth 3.0
Transmission Distance≤10M (depending on operation environment and devices to which it connects)
Impendence:
Frequency Response: 90Hz-20KHz
Sensitivity: 80db±2db
Signal to Noise Ratio (SNR): ≥76dB
Output Power: 3W×1
Powered by Built-in Li battery/USB
Product size: φ62×76MM
VI. Power
Built-in Li battery/ USB/ USB DC5V
USB Charge
Port
AUX
Function
buttons
Power
Switch
2


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