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The UiiSii GM20 Pro TWS Earbuds utilize Bluetooth 5.1 to maintain a stable 10m wireless link. A 13mm dynamic driver handles the 20Hz-20kHz frequency range for consistent audio reproduction. Its charging case includes a digital display to monitor the 220mAh battery bank.
Key Features
- 13mm Dynamic Driver: 32 Ω impedance with 96±3 dB sensitivity. Large drivers move more air for better low-end response.
- Digital Display Case: 220mAh battery capacity with an integrated LED readout. It tracks exact charge levels to prevent unexpected shutdowns.
- 24-Hour Playtime: 25mAh internal earbud batteries with 1.5-hour charging cycles. Total runtime lasts through several days of average use.
- 200-Hour Standby: Low power consumption circuit when the device is idle. The hardware stays ready for use after days in a pocket.
- Smart Touch Control: Capacitive sensors built into the external earbud housing. It manages playback and calls without needing physical button pressure.
Frequently Asked Questions
How to connect UiiSii GM20 Pro earbuds?
Remove both units from the charging case to initiate the auto-pairing sequence. Select the device ID from your phone's Bluetooth settings to finish the link.
Is UiiSii GM20 Pro waterproof?
This model lacks a certified IP rating for water or dust resistance. Exposure to heavy sweat or rain will likely damage the internal circuitry.
How long does the battery last?
The 25mAh earbuds provide several hours of continuous playback per charge. Combined with the 220mAh case, the total system runtime reaches 24 hours.
