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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

  • Driver size5 in (12.7 cm)
  • Frequency range200 Hz
  • Headphone styleIn Ear
  • Impedance35 ohms
  • Signal-to-noise ratio105
  • Audio sensitivity105 dB +/- 3 dB at 1 kHz
  • 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.

How it compares

Measured against everything we stock in Earbuds & Over-Ear Headphones, at today’s prices. Recalculated every night.

Price $23.99
Typical for this category: the median of 7,078 items is $25.99.

Specifications

Product
Brand nameNANSLS
Model nameT20
Product typeIn-Ear
Product colorBlack
Performance
Supported distance33 ft (10.1 m)
Audio & video
Driver size5 in (12.7 cm)
Frequency range200 Hz
Headphone styleIn Ear
Impedance35 ohms
Signal-to-noise ratio105
Audio sensitivity105 dB +/- 3 dB at 1 kHz
Wearing styleSingle Ear
Noise cancellationActive
Mic impedance~3K ohm
Mic frequency response200 Hz
Mic signal-to-noise ratio105
Mic sensitivity105
Connectivity
Wireless technologyBluetooth
Ports & slots
ConnectionNo Jack
Power
Battery pack6 h
Run time6 h
Charging time1.5 h, 0.25 h
Size & build
Product weight0.11 lb (0.05 kg)

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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