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Black in-ear wireless earbuds with a rectangular smart touchscreen charging case, matte finish

No Sew

No Sew T20 Wireless Earbuds Bluetooth 5.4 48H Black

SKU CH-QS9R-4KZB8

Wireless earbuds with a smart touchscreen charging case, Bluetooth 5.4, ENC call noise reduction and up to 48 hours total playtime

  • TypeIn-Ear
  • ColorBlack
  • Driver Unit5 inches
  • Frequency Response200 hertz
  • THDIn Ear
  • Input Impedance35 ohms
  • Smart touchscreen case controls music, calls and EQ without your phone
  • Bluetooth 5.4 gives fast pairing, stable link and auto-reconnect
  • ENC microphones cut background noise for clearer calls
  • Up to 48 hours playtime with case, 69 hours per charge shown on display
  • Lightweight IPX7 build resists sweat and rain for active use

Smart Touchscreen Case

The charging case includes a built-in touchscreen that lets you control music, volume, calls, EQ modes, wallpapers, timer, flashlight, camera remote and a find-earbuds function without reaching for your phone. It also displays battery status for both buds and case. Type-C charging replenishes the case.

ENC Microphones & Dynamic Drivers

Built-in ENC microphones reduce background noise during calls for clearer voice pickup in work or commuting scenarios. Dynamic drivers deliver stereo sound with emphasized bass for music, video and gaming. The earbuds weigh 0.11 pounds each for extended comfort.

Bluetooth 5.4 Range & Battery Limits

Bluetooth 5.4 provides stable transmission up to 33 feet with automatic reconnection after initial pairing. Each earbud offers 6 hours of continuous playback per charge, while the case extends total playtime to 48 hours. Full recharge takes 1.5 hours for the case and 0.25 hours for the buds.

Highlights

  • Smart touchscreen case controls music, calls and EQ without your phone
  • Bluetooth 5.4 gives fast pairing, stable link and auto-reconnect
  • ENC microphones cut background noise for clearer calls
  • Up to 48 hours playtime with case, 69 hours per charge shown on display
  • Lightweight IPX7 build resists sweat and rain for active use

Specifications

BrandNANSLS
ModelT20
TypeIn-Ear
ColorBlack
Driver Unit5 inches
Frequency Response200 hertz
THDIn Ear
Input Impedance35 ohms
Signal to Noise Ratio(SNR)105
Sensitivity105 dB +/- 3 dB at 1kHz
ConnectorNo Jack
Ear CouplingSingle Ear
Weight0.11 pounds
Noise CancellingActive
Wireless TypeBluetooth
Battery6 hours
Operating Time6 hours
Charge Time1.5 hours, 0.25 hours
Distance33 feet
Microphone Impedance~3K ohm
Microphone Frequency Response200 hertz
Microphone Signal to Noise Ratio(SNR)105
Microphone Sensitivity105
Featuresactive_noise_cancellation, 5.3, 6 hours, touch, Wireless, In Ear, dynamic_driver, 35 ohm, 33 feet

Questions about this item

Do the earbud tips or earbud batteries need replacement after extended use?

The IPX7-rated earbuds have no user-replaceable parts; the internal battery delivers up to 6 hours per charge and the case adds up to 48 hours total playtime.

What limits continuous listening before the earbuds must go back in the case?

Each earbud provides up to 6 hours of operating time on a single charge; the case extends total playtime to 48 hours before both need recharging.

How much heat or noise do the earbuds produce during all-day use with the touchscreen case?

The lightweight 0.11-pound in-ear design runs silently with no noticeable heat; the case touchscreen stays cool while showing battery status and controls.

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