Sony WH-CH520. Product type: Headset. Connectivity technology: Wireless, Bluetooth. Recommended usage: Calls/Music. Wireless range: 393.7" (10 m). Weight: 5.19 oz (147 g). Product color: White

Product type	Headset
Wearing style	Head-band
Recommended usage	Calls/Music
Product color	White
Headset type	Binaural
Operating keys	Volume +, Bluetooth pairing, Track <, Volume -, Play/Pause, Track >
Control unit type	On-ear control unit
Control type	Buttons
LED indicators	Charging, Power
On/off switch	Yes
HD voice	Yes
Works with the Google Assistant	Yes
Works with Apple Siri	Yes
Connectivity technology	Wireless
USB connector	USB Type-C
Bluetooth	Yes
Bluetooth profiles	A2DP, HFP, AAC, HSP, AVRCP, SBC
Bluetooth version	5.2
Frequency band	2.4 GHz
Wireless range	393.7" (10 m)
Ear coupling	Circumaural
Acoustic system	Closed
Driver unit	1.18" (3 cm)
Microphone type	Built-in
Battery operated	Yes
Battery type	Built-in battery
Battery technology	Lithium-Ion (Li-Ion)
Continuous audio playback time	50 h
Talk time	40 h
Battery charge indicator	Yes
Battery recharge time	3 h
Battery voltage	3.7 V
Fast charging	Yes
Fast charging time	10 min
Charging source	USB
Weight	5.19 oz (147 g)
Package width	1.73" (44 mm)
Package depth	6.77" (172 mm)
Package height	8.98" (228 mm)
Package weight	10.9 oz (310 g)
Charging stand	No
Quick start guide	Yes
Warranty card	Yes
Cables included	USB
Battery life	3000 min