Energy Sistem ANC display. Type of product: Headphone. Connection technology: True wireless stereo (TWS), Bluetooth. Recommended use: music and calls. Headphone frequency: 20 - 20000 Hz. Wireless range: 20 m. Weight: 43 g. Product color: Black

Type of product	Headphones
Weary style	In-ear
Recommended use	Music and calls
Product color	Black
Type of headphone	Stereo
Type of control	Touch
Protection functions	Sketch resistant, waterproof
International protection code (IP)	Ipx5
LED indicators	Yup
Suitable for internal use	Yup
Suitable for outdoor use	Yup
Recommended	Child / girl
Mp3-player	Yup
Plug & Play	Yup
Works with Google Assistant	Yup
Works with Apple Siri	Yup
Connection technology	True wireless stereo (TWS)
Connecting the USB device	Yup
USB connector	USB Type-C
Bluetooth	Yup
Bluetooth profiles	A2DP, AVRCP, HFP, HSP
Bluetooth version	5.4
Wireless range	20 m
Headphone design	Intraurale
Type of intraural headphones	Headphones
Headphone frequency	20 - 20000 Hz
Impedance	16 Ω
Driver unit	1 cm
Driver Type	Dynamic
Noise reduction	Yup
Total harmonic distortion (THD)	1%
Type of microphone	Integrated
Microphone frequency	100 - 10000 Hz
Microphone sensitivity	-38 db
Battery operation	Yup
Battery type	Integrated battery
Battery technology	Lithium polymers (LIPO)
Battery capacity	40 mAh
Input voltage (headphone)	3.7 V
Input voltage (charging case)	3.7 V
Battery technology (charging case)	Lithium polymers (LIPO)
Battery capacity (charging case)	500 mAh
Continuous audio playback time (with ANC)	4.5 H
Rechargeable battery	Yup
Battery charging indicator	Yup
Charging time	1 H
Power	Battery
Width	58 mm
Depth	24 mm
Height	47 mm
Weight	43 g
Type of packaging	Hang
AC / DC adapter	No
Charging case	Yup
Charging container capacity	500 mAh
Built-in display (charging case)	Yup
Cables included	USB Type-C
Earphone bearings	Yup
Quantity	1
Quantity for package	1 pc
USB TYPE-C top-up door	Yup
Adjustable volume	Yup