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