Sony WH-CH720 Headset Wired & Wireless Head-band Calls/Music USB Type-C Bluetooth Black

USB Type-C charging port: Yes
USB Type-C required charging power (max): 2.5 W
USB Power Delivery (USB PD): No
USB Type-C required charging power (min): 2 W
Weight: 192 g
Product colour: Black
LED indicators: Charging, Power
Cable length: 1.2 m
Recommended usage: Calls/Music
Product type: Headset
Market segment: Consumer
Control type: Buttons
Headset type: Binaural
On/off switch: Yes
Works with Apple Siri: Yes
HD voice: Yes
Wearing style: Head-band
Operating keys: Track >, Volume +, Bluetooth pairing, Volume -, Play/Pause, Track <
Works with the Google Assistant: Yes
Package weight: 442 g
Package depth: 208 mm
Package height: 260 mm
Package width: 55 mm
Quick start guide: Yes
Cables included: Audio (3.5mm), USB
AC adapter included: No
Warranty card: Yes
Charging stand: No
Bluetooth: Yes
Connectivity technology: Wired & Wireless
Wireless range: 10 m
Bluetooth profiles: HFP, AAC, SBC, HSP, AVRCP, A2DP
USB connector: USB Type-C
Bluetooth version: 5.2
3.5 mm connector: Yes
Battery voltage: 3.85 V
Battery type: Built-in battery
Battery recharge time: 3.5 h
Talk time: 40 h
Battery technology: Lithium-Ion (Li-Ion)
Continuous audio playback time (ANC off): 50 h
Continuous audio playback time (ANC on): 35 h
Charging source: USB
Fast charging time: 10 min
Battery operated: Yes
Fast charging: Yes
Microphone type: Built-in
Impedance: 325 Ω
Noise canceling: Yes
Headphone sensitivity: 108 dB
Ear coupling: Supraaural
Driver unit: 3 cm
Driver type: Dynamic
Acoustic system: Closed
Headphone frequency: 7 - 20000 Hz
Battery life: 3000 min