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Black over-ear Bluetooth 5.4 headphones with soft silicone ear hooks, matte finish, compact charging case visible

No Sew

No Sew SP9i-Black Over-Ear Bluetooth 5.4 Headphones 60Hrs

SKU CH-X8HF-14K05

Over-ear Bluetooth 5.4 headphones with 16.1 mm drivers, 60 hours total playtime, 33-foot range, and touch controls

  • Headphone styleOver Ear
  • Impedance32 ohms
  • Power supplyBattery
  • ConnectionNo Jack
  • Wearing styleOver ear
  • Cord lengthCable 3 x Pairs of Earplugs (S, M, L)
  • 1 mm drivers deliver deep bass and clear treble
  • 60 hours total playtime with 12 hours per charge and 48 hours from the case
  • Over-ear hooks give a secure, pressure-free fit for sport and daily use
  • Bluetooth 5.4 provides a stable link up to 33 feet
  • Touch controls handle music, calls and voice assistant without reaching for your phone

What these headphones are

No Sew SP9i-Black over-ear Bluetooth 5.4 headphones deliver up to 60 hours total playtime through a compact charging case. A 16.1 mm driver produces powerful bass, crisp mids and clear treble, while built-in microphones isolate voice for clear calls during commutes or workouts.

Who they suit and who should look elsewhere

The over-ear hooks give a secure fit for runners, gym sessions and long meetings, and touch controls handle volume, tracks and voice assistants without reaching for a phone. Buyers who prefer in-ear buds or need active noise cancellation will not find those features here.

The spec that decides fit

Bluetooth 5.4 provides a stable connection up to 33 feet with low latency for video and gaming. If your source device does not support this version, pairing may fall back to an older standard and range could be reduced.

How it compares

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

Price $17.99
Cheaper than about 65% of the 7,078 comparable items (median $25.99).

Specifications

Product
Brand nameKurdene
Model nameSP9I, SP9i-Black
Part numberSP9i-Black
Product typeOver the Ear
Product colorBlack
Performance
Supported distance10 m
Audio & video
Headphone styleOver Ear
Impedance32 ohms
Wearing styleOver ear
Noise cancellationSound isolation
Mic impedance~3K ohm
Connectivity
Wireless technologyBluetooth
Ports & slots
ConnectionNo Jack
Power
Power supplyBattery
Battery pack6 h
Run time6 h
Charging time1 h
Built-in batteryBattery
Size & build
Cord lengthCable 3 x Pairs of Earplugs (S, M, L)
Product weight3.2 oz
In the box
In the box2 x Wireless earbuds sport, 1 x Fast Charging Case, Cable 3 x Pairs of Earplugs (S, M, L), 1 x Instruction Manua

Questions about this item

How much heat or battery drain should I expect from the 16.1 mm drivers during a full 12-hour session?

The 16.1 mm drivers run on the internal battery rated for 12 hours of continuous playtime; no heat or power-draw figures are published.

What must I already own to use the Bluetooth 5.4 connection on these earbuds?

A phone, tablet or computer that supports Bluetooth 5.4 or an earlier Bluetooth version for backward-compatible pairing.

Will the over-ear hooks and silicone tips work alongside the glasses I wear daily?

The over-ear hooks rest on top of the ear and the silicone tips sit inside the canal, a combination many spectacle wearers find compatible.

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