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The stereo on-ear headphones boast extra-large 57mm drivers to provide deep bass and superior sound quality. Come with soft leather ear cushions and adjustable headband, so you can use it for extended periods without fatigue. Built-in microphone for easy receiving a sound or a clear call.

Bluedio Vector Flow Technology

Works in tandem with 57mm drive unit, enhancing sound quality and providing you deep and powerful bass sound.

Active Noise Canceling Technology

Isolates the surrounded noise significantly and provides you the music with its original and pure sound.

Type-C Interface

Support line-in, line out, charging for the headphones.

Rechargeable Battery

Built-in high quality polymer battery, working time is up to 16 hours after full charge and the standby time is up to 650 hours.

Rotatable Padded Ear Cushions

Enable you to listen longer in total comfort with self-adjust headband.

Foldable Design

Lightweight, folding design for ultimate music mobility, east to carry.


Brand Bluedio
Model T4S
Mic Yes
Wearing Styles Headband
Bluetooth Version V4.2
Bluetooth Operating Range Up to 10m (free space)
Profiles A2DP, AVRCP, HSP, HFP
Drivers 57mm x 2
Impedance 16ohm
SPL 116dB
Frequency Response 20~20KHz
THD 0.3%-3%
Audio Resolution [email protected]/* */
Standby Time About 650 hours
Bluetooth Music/Talk Time About 16 hours
Music/Talk Time Under ANC 16 hours
Pure ANC Time 16 hours
Output Power 25mW+25mW
Product Size 208 x 188 x 90 mm
Package Contents 1 x Bluetooth Headset, 1 x USB Type-C Cable, 1 x 3.5mm to Type-C Cable, 1 x Storage Bag, 1 x User Manual

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