Energy Sistem Openwave. Type of product: Headphones. Connection technology: True wireless stereo (TWS), Bluetooth. Recommended use: calls / music / sport / daily. Frequency of the headphones: 20 - 20000 Hz. Wireless range: 20 m. Weight: 65 g. Product color: Black

Type of product	Headphones
Style of use	In-ear
Recommended use	Call / music / sport / daily
Product color	Black
Type of headphones	Stereophonic
Operating keys	Volume +, Volume -
Volume control	Touch
Protection functions	Sketch-resistant
International protection code (IP)	Ipx5
Connection technology	True wireless stereo (TWS)
Bluetooth	Yup
Bluetooth profiles	A2DP, AVRCP, HFP, HSP
Bluetooth version	5.4
Frequency band	2.4 GHz
Wireless range	20 m
Headphone design	Intraurale
Frequency of headphones	20 - 20000 Hz
Impedance	16 Ω
Driver Type	Dynamic
Type of microphone	Integrated
Microphone frequency	100 - 10000 Hz
Microphone sensitivity	-42 db
Battery operation	Yup
Type of battery	Integrated battery
Battery technology	Lithium polymers (LIPO)
Battery capacity	60 mAh
Input voltage (headphones)	3.7 V
Input voltage (charging case)	3.7 V
Battery charging time (charging case)	1.5 h
Battery technology (charging case)	Lithium polymers (LIPO)
Battery capacity (charging case)	400 mAh
Charging time	1 H
Width	75 mm
Depth	55 mm
Height	25 mm
Weight	65 g
Type of packaging	Hangable box
Charging case	Yup
Charging container capacity	400 mAh
Type of recharging housing	Wired
Type of connector for charging housing	USB Type-C
Quick Guide	Yup
Cables included	USB Type-C
Quantity	1
Battery life	1020 min
USB cable length	0.5 m