JBL Tune 520BT Specifications 
Price in Sri lanka 
Driver size (mm)
33
Number of Microphones
1
Audio Specifications
Driver sensitivity at 1kHz/1mW (dB)
102 dB SPL@ 1kHz 1mW
Dynamic frequency response range (Hz)
20 Hz – 20 kHz
Impedance (ohms)
30
Dimensions
Audio Cable Length (ft)
0.7
Audio Cable Length (m)
0.2
Ear Cup Depth (cm)
1.7
Ear Cup Depth (in)
0.7
Ear Cup External Height (cm)
3.2
Ear Cup External Height (in)
1.3
Ear Cup External Width (cm)
7.3
Ear Cup External Width (in)
2.9
Ear Cup Internal Height (cm)
3.2
Ear Cup Internal Height (in)
1.3
Ear Cup Internal Width (cm)
3.2
Ear Cup Internal Width (in)
1.3
Weight (g)
157
Weight (oz)
5.54
Control and Connection Specifications
Bluetooth profiles
HFP 1.7.2, AVRCP 1.6.2, A2DP 1.3.2
Bluetooth frequency
2.4 GHz – 2.4835 GHz
Bluetooth transmitted modulation
GFSK, π/4-DQPSK, 8-DPSK
Bluetooth transmitter power
6 dBm (E.I.R.P)
Bluetooth version
5.3
Battery
Charging time (hours from empty)
2
Maximum play time (hours)
57
Features
Bluetooth
Yes
Charging cable
Yes
Foldable
Yes
Built-in Microphone
Yes
Hands Free Call
Yes
JBL Pure Bass Sound
Yes
Multi-Point Connection
Yes
On-ear
Yes
Speed charge
Yes
Voice Aware
Yes