MDHL offers wireless speakers, earbuds, microphones, phone-tracking gimbals, massagers and music boxing targets for everyday listening, recording and home fitness.
MDHL offers portable audio products, smartphone recording accessories and home fitness devices, including wireless speakers, earbuds, microphones, face-tracking gimbals, massagers and music boxing targets.
Browse MDHL manuals for setup, Bluetooth pairing, charging, controls and troubleshooting. Check the model number on your device or packaging before following instructions, since features and charging requirements differ between models.
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Check the model number on your device or packaging and match it to the manual title. Models covered include MD-S321, MD-Z107, MD-K33 and MD-A163.
Turn on the speaker, then select MD-S321 in your device's Bluetooth settings. The manual says a voice prompt and a steady blue light confirm connection.
The manual states that face tracking requires neither an app nor a wireless connection. The detachable remote connects separately to the phone using the MD-Z107 wireless name.
The MD-S321 manual specifies a 5V/1A supply and warns against fast chargers exceeding that rating. Follow your model's own charging instructions rather than applying this requirement to all MDHL products.
The MD-A163 manual lists the service number 400-607-8699. You can also contact your seller with your model number and purchase receipt. The MD-S321 manual describes a 12-month warranty for qualifying quality issues, excluding damage from improper use; check your own model's terms.
