JBL Tune 520 BT. Type of product: Headphones. Connection technology: Wireless, Bluetooth. Recommended use: music and calls. Headphone frequency: 20 - 20000 Hz. Cable length: 0.2 m. Weight: 178 g. Product color: Black

Type of product	Headphones
Weary style	Over-ear
Recommended use	Music and calls
Product color	Black
Type of headphones	Stereo
Operating keys	Response / Close-up, Bluetooth coupling, Mute, Play / Pause, Track <, Track>, Volume +, Volume -
Volume control	Button
Type of control unit	On-ear control unit
Type of control	Buttons
Folding	Yup
Cable length	0.2 m
Removable cable	Yup
Sound pressure level (max)	95 dB
ON / OFF switch	Yup
Musical reproduction	Yup
Number of connected devices simultaneously (max)	2
Works with Google Assistant	Yup
Works with Apple Siri	Yup
Connection technology	Wireless
Connecting the USB device	Yup
USB connector	USB Type-C
Bluetooth	Yup
Bluetooth profiles	A2DP, AVRCP, HFP
Bluetooth version	5.3
Microphone, Jack input	Yup
Frequency band	2.4 - 2.4835
Headphone design	Circumaurale
Headphone frequency	20 - 20000 Hz
Impedance	30 Ω
Sensitivity Headphone	102 dB
Driver unit	3.3 cm
Driver Type	Dynamic
Type of microphone	Integrated
Microphone sensitivity	-40 dB
Number of microphones	1
Deleting the noise of the microphone	Yup
Battery operation	Yup
Battery type	Integrated battery
Battery technology	Lithium ions
Battery capacity	450 mAh
Continuous audio reproduction	57 h
Talk time	35 h
Charging time	2 H
Battery voltage	3.7 V
Rapid charging	Yup
Charging source	USB
Operating temperature range	0 - 45 ° C
Width	49 mm
Depth	218 mm
Height	206 mm
Weight	178 g
Width packaging	50 mm
Packaging depth	225 mm
Packaging height	207 mm
Packal weight	377 g
Type of packaging	Hang
Cables included	USB Type-C
Quantity	1
Easy coupling	Yup
Battery life	3420 min
Adjustable volume	Yup
Modulation	8-DPSK, DQPSK, GFSK