Sony WH-CH520

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