IV FAQ:
Fail to turn on headphone: Power might have been used up, please re-charge power.
Fail to automatically pair: Please re-start headphone and re-start transmitter.
V Attention:
If headphone can’t switch on, maybe the power is not enough, please fully charge power
then turn it ON.
FOR longer working time of battery, please remember to turn off headphone after use
and only use the professional charge tools to charge power.
Please charge power at least 4 hours for the first time you use, later just 2-3 hours will be
enough. Do not over charge.
Please charge power first if the headset hasn’t been used for long time.
Please don’t put the headset in wet or humid place.
Please don’t put headset in hot place or near place of temperature over 45℃, and don’t
discard the headset into fire as it may cause the battery to EXPLODE.
Please don’t pull bracket over 45°, and don’t twist headset bracket. Breakage caused by
these actions is not covered under any warranty in force.
Please don’t try to open headset if you are not a qualified professional with experience to do
so.
VI Specification:
TD350 Transmitter:
1. Voltage: 5VDC
2. Electric current: Typical value 50mA
3. Frequency: 2.4GHZ ISM BAND
4. Power: 5dBm
5. Modulate: GFSK
6. Distance: 10 ~15m
Headphone:
1. Voltage: 3.7VDC (re-chargeable lithium battery)
2. Electric current: 50mA
3. Frequency: 2.4GHZ
4. Frequency response: 20~20 000HZ
5. Audio output: 600mVp-p
6. Distortion: <1%
7. S/N Ratio: >80dB
8. Separation: >45dB
9. Automatically power off if no signal was received within 10 minutes.
VII
1. Put the shorter USB cable in the power bank
2. Put the power bank in the inside the cover.