Type | On-ear Bluetooth stereo headphone |
Drivers | 1.5″ (40 mm) |
Frequency Response | Dynamic Frequency Response: 20 Hz to 20 kHz |
Bluetooth | Frequency Range: 2.402 to 2.480 GHz Transmitter Power: Transmitter Modulation: GFSK π/4 DQPSK 8-DPSK Support BT 3.0, A2DPv1.2, AVRCP v1.4, HFP v1.6, HSP v1.2 |
Maximum SPL | 115 dB @ 30 mW |
Power Input | Rated Power Input: 30 mW |
Microphone Sensitivity | -42 dBV/Pa @ 1 kHz |
Battery Type | Lithium polymer (3.7 V, 610 mAh) |
Battery Life | Talk Time: 20 hours Music Time: 15 hours |
Dimensions (H x W x D) | 7.5 x 5.7 x 3.0″ (190 x 146 x 77 mm) |
Weight | 9.7 oz (275 g) |
Package Weight | 1.8 lb |
Box Dimensions (LxWxH) | 9.3 x 7.3 x 3.6″ |
JBL Synchros S400BT Wireless On-Ear Bluetooth Stereo Headphones
Out of stock
- 40mm Drivers
- Bluetooth 3.0
- NFC Paring
- Touch Sensor Controls with LEDs
- Built-In Rechargeable Battery
- Wired or Wireless Use
- Includes USB Charging Cable
- Includes 1/8″ Cable
- Includes Carrying Case
QAR 349
Out of stock

Order now & Get it delivered Tomorrow!!
The black Synchros S400BT Wireless On-Ear Bluetooth Stereo Headphones from JBL allow you to play back audio and take calls wirelessly from Bluetooth compatible devices. Additionally, its included 1/8″ cable allows the headphones to function with wired sources. The S400BT headphones are NFC paring capable with compatible devices. They are controlled with ear cup touch sensors that have an LED lighting feature which follows your touch.
The built-in battery provides up to 20 hours of talk or 15 hours of music playback, and can be recharged with the included USB charging cable. When not in use, the S400BTs can be folded and stored in the included carrying case.
- JBL’s PureBass performance
- AptX encoding
- Bluetooth 3.0 technology
- NFC pairing capability
- Touch sensor controls for managing music and calls
- Smart LED light trail follows the swipe of your finger on the touch sensor control
- USB recharge battery lasts up to 15 hours (for music play back)
- Convenient dual use – wireless or wired (for use without the battery)
- Echo cancellation technology
- 3D-axis earcup rotation enhance ergonomic fit and portability
- Leather cushions and steel headband
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