Energy Sistem Senshi Eco. Type of product: Headphones. Connection technology: True wireless stereo (TWS), Bluetooth. Recommended use: calls / music / sport / daily. Frequency Headphones: 20 - 20000 Hz. Wireless Range: 20 m. Cable length: 0.5 m. Weight: 42 g. Product color: Blue

Type of product	Headphones
Weary style	In-ear
Recommended use	Call / music / sport / daily
Product color	Blue
Type of headphones	Stereophonic
Cable length	0.5 m
Body material	Plastic
Works with Google Assistant	Yup
Works with Apple Siri	Yup
Compatible products	ESMART CONNECT APP
Connection technology	True wireless stereo (TWS)
Bluetooth	Yup
Bluetooth profiles	A2DP, AAC, AVRCP, HFP, HSP, SBC
Bluetooth version	5.3
Frequency band	2.4 GHz
Wireless range	20 m
Headphone design	Intraurale
Type of intraural earphones	Earphones
Headphone frequency	20 - 20000 Hz
Driver unit	1 cm
Driver type	Dynamic
Type of microphone	Integrated
Microphone frequency	100 - 10000 Hz
Microphone sensitivity	-42 db
Battery operation	Yup
Battery type	Integrated battery
Battery technology	Lithium polymers (LIPO)
Battery capacity	30 mAh
Input voltage (charging case)	3.7 V
Continuous audio reproduction	5 H
Continuous audio playback time (with charging case)	20 h
Battery charging time (charging case)	1.5 h
Battery technology (charging case)	Lithium polymers (LIPO)
Battery capacity (charging case)	400 mAh
Charging time	1.5 h
Battery voltage	3.7 V
Charging source	USB
Supported Windows operating system	Yup
Mac operating system compatibility	Yup
Supported mobile operating system	Yup
Width	35 mm
Depth	35 mm
Height	60 mm
Weight	42 g
Charging case	Yup
Type of charging case	Wired
Connector type for charging case	USB Type-C
Cables included	USB Type-C
Quantity	1