Product parameterModel : L1 / L1B
BT : Qualcomm 5 . 0BT + PCM5102 independent decoding
BT protocol support : SBC , AAC,APTX,APTX-HD
Frequency response range : 20Hz-50KHz
Low frequency output range : 5Hz-180Hz
Input resistance : 50K
The output resistance : 600 ohm
Signal-to-noise ratio : 116dB-1kHz
Distortion : 0 . 003 % KHz
L1 operation amplifier : 5532 * 2
L1B op amp : 5532 * 4
Power supply voltage : AC220V
Size : 240 * 150 * 47 mm
Weight:1.5kg
Accessories:a power line
Q: Can I change my order info? Such as receiving address or item purchased?
A: Order info cannot be changed after being placed. Please cancel your order and place a new one if order info is incorrect. Otherwise your parcel is going to be shipped according to the initial order info.
Q: Why isn't my order being shipped out of China?
A: If there is no further tracking info after 10 days. It is most likely due to domestic shipping issue. For further support, please contact our customer service.
Q: Why is my parcel still delivering?
A: International shipment can be time-consuming and your patience is appreciated. Please rest assured if you see no update about your parcel. We use AliExpress shipping methods which can take 15 to 60 days. For further support, please contact our customer service.
Q: Why do I receive a different product?
A: Please contact our customer service directly for further support.
Q: Why do I receive only 1 item while several were purchased in the first place?
A: One order can possibly be shipped via several parcels with each of them a unique tracking number. Please track them according to the specific tracking number(s). Please contact our customer service directly for further support.
Q: I clicked Confirm Goods Received before the parcel is received. What should I do?
A: Don't worry if you clicked it by accident. Your parcel is shipped soonest possible anyway. Simply follow the tracking number for update. A 5-star review is much appreciated upon receiving your parcel.
Q: What should I do if my order is closed?
A: Please place a new order with a secure account and payment method.
Q: What if the product cannot be used?
A: Please ensure the product is used properly according to the user manual. For further support please contact our customer service directly.
Q: I haven't received my parcel yet but it shows delivered on the order detail page. What should I do?
A: Please check with your local post first for the parcel info. For further support, please contact our customer support.
Q: Why is my parcel returned?
A: That's because receiving address or phone number being incorrect or the logistics company cannot ship to your address. Please reach out to our customer service directly if the issue persists.