Energy Sistem Space Power Radio Headphones. Product type: Headphones. Connection technology: With cable and no cable, Bluetooth. Recommended use: Music and Calls. Frequency of headphone: 20 - 20000 Hz. Wireless range: 20 m. Weight: 176 g. Product color: Black

Product type	Headphones
Style of use	To Padiglione
Recommended use	Music and Calls
Product color	Black
Type of headset	Stereofonic
Foldable	Yes
Types of memory cards	MicroSD (TransFlash)
Expandable memory until	128 GB
Works with Google Assistant	Yes
Works with Apple Siri	Yes
Connection technology	With cable and without cable
Connector 3.5 mm	Yes
USB device connection	Yes
USB Connector	USB type-C
Bluetooth	Yes
Bluetooth profiles	A2DP, AVRCP, HFP, HSP, SBC
Bluetooth version	5.1
Frequency band	2.4 GHz
Wireless Range	20 m
Auricular design	Circumaura
Frequency of headphone	20 - 20000 Hz
Driver unit	4 cm
Driver type	Dynamic
Type of microphone	Integrated
Microphone frequency	100 - 10000 Hz
Microphone sensitivity	-38 dB
Battery operation	Yes
Type of battery	Integrated battery
Battery technology	Lithium polymers (LiPo)
Battery capacity	1200 mAh
Continuous audio playback	45 h
Charging time	4 h
Battery Voltage	3.7 V
Width	171 mm
Depth	182 mm
Height	85 mm
Weight	176 g
Quick Guide	Yes
Cables included	Audio (3.5mm), USB type-C