Sony | Wireless Headphones | WH-CH520 | Wireless | On-Ear | Microphone | Black | Wireless

USB Power Delivery (USB PD): No
USB Type-C charging port: Yes
USB Type-C required charging power (max): 2.5 W
USB Type-C required charging power (min): 2 W
Weight: 147 g
Works with Apple Siri: Yes
Works with the Google Assistant: Yes
HD voice: Yes
LED indicators: Charging, Power
On/off switch: Yes
Recommended usage: Calls/Music
Product colour: Black
Control unit type: On-ear control unit
Product type: Headset
Wearing style: Head-band
Market segment: Consumer
Control type: Buttons
Operating keys: Track >, Volume +, Bluetooth pairing, Volume -, Play/Pause, Track <
Headset type: Binaural
Package weight: 310 g
Package depth: 172 mm
Package height: 228 mm
Package width: 44 mm
Charging stand: No
AC adapter included: No
Cables included: USB
Quantity: 1
Quick start guide: Yes
Warranty card: Yes
Bluetooth: Yes
Frequency band: 2.4 GHz
Connectivity technology: Wireless
USB connector: USB Type-C
Wireless range: 10 m
Bluetooth version: 5.2
Bluetooth profiles: SBC, AAC, A2DP, AVRCP, HSP, HFP
Fast charging time: 10 min
Continuous audio playback time: 50 h
Battery charge indicator: Yes
Fast charging: Yes
Battery operated: Yes
Battery technology: Lithium-Ion (Li-Ion)
Battery type: Built-in battery
Battery voltage: 3.7 V
Battery recharge time: 3 h
Charging source: USB
Talk time: 40 h
Harmonized System (HS) code: 8517620000
Microphone type: Built-in
Warnings: Do not use near sources of heat or flame., Keep away from children., Regularly check the condition of the batteries to prevent leaks.
Acoustic system: Closed
Ear coupling: Supraaural
Driver unit: 3 cm
Battery life: 3000 min