JBL Free X

General Specifications

Driver size (mm)

5.6

Audio Specifications

Driver sensitivity at 1kHz/1mW (dB)

96

Dynamic frequency response range (Hz)

10 Hz – 22 kHz

Number of drivers per ear

1

Dimensions

Weight (g)

Total: 99g

Weight (oz)

Total: 3.5oz

Control and Connection Specifications

Bluetooth version

4.2

Bluetooth frequency

2.402 – 2.480GHz

Bluetooth profiles

A2DP 1.3, AVRCP 1.5, HFP 1.6

Bluetooth transmitted modulation

GFSK, π/4DQPSK, 8DPSK

Bluetooth transmitter power

0 – 9.5dbm

Battery

Charging time (hours from empty)

2

Maximum talk time (hours)

4

Maximum play time (hours)

4

Features

Built-in Microphone

Yes

Hands Free Call

Yes

JBL Signature Sound

Yes

Secure Fit

Yes

Sweat Proof

Yes

True Wireless

Yes

Wireless

Yes

Charging cable

Yes

Charging case

Yes

Rechargable battery

Yes

Bluetooth

Yes