Operating Instruction

5. During the stereo playing, if there is dial-up or call, the stereo playing will be automatically suspended, and
the stereo music will continue to be played at the end of the phone.
VI. Low voltage automatic detection and power off
When the machine voltage is less than 3.3V, the red light will flash, will hear the battery low voice
prompt. .When the voltage is less than 3V, the headset will automatically power off. Please recharge in time.
VII. Battery power indication:
Paired IPHONE mobile, it will have earphone battery power indication.
VIII．Packing list :
1 TRUE BUDS Bluetooth earphone 1pcs
2.USB charge cable 1pcs
3.Proudct user manual 1pcs
Product specification and parameters:
To prevent possible hearing damage, do not listen at high volume levels for long periods.
Product name Wireless Earphone
Product model
TRUE BUDS
Version Bluetooth V5.0 (QCC3020)
Frequency range 2.402GHZ~2.480GHZ ISM Band
Wireless transmission
standard
CLASS 2
Channel 79channels of 1Mhz BW
Connection type Point-to-point
Transmitting range <=10M (free space)
Frequency response 20HZ-20KHZ
Signal to Noise Ratio >82db
Audio power output 2X3mW
Status indication Red and blue bi-color indicator light
Applicable pairing
product
USB Bluetooth adapter, Bluetooth mobile
phone, IPAD, MID, etc in accordance with HFP, HSP,
A2DP, AVRCP Bluetooth protocols
Support decoder APTX AAC SBC
Battery Polymer lithium-ion battery 3.7V 420mAh for
charging case, 50mAh for earphone
Charging time 1-2 hours
Charging power supply Computer USB 5V; Charger of output DC 5V
500mA
Operating time About 4 hours ( Battery saturation state)
Standby time More than 150 hours ( Battery saturation state)
Product size