SPECIFICATIONS

Active Noise-Cancellation: Yes

Battery: 400mAH

Battery Capacity[mAh]: 400

Battery life up to[hours]: 90

Bluetooth: 6.0

Bluetooth Version: Other

Brand Name: CRTCNESO

Category: Earphones & Headphones

Certification: CE,FCC,RoHS

Charging Method: cable

Charging time: ≤1.5 hours

Communication: WireLess

Connectors: Type c

Control Button: Yes

Control Method: Push button

Department: Unisex-adult

Driver Diameter: 3

Earcups Type: Sealed

Features: With microphone,Active Noice Cancelling

Frequency Response Range: 50 - 20000

Function: For Mobile Phone,Common Headphone

Headphone Pads Material: Silicone

High-concerned chemical: None

Impedance Range: up to 32 Ω

Is wireless: Yes,Yes

Line Length: 0.32

Magnet Type: Neodymium

Material: Plastic,Silica Gel

Max Output: 5

Maximum wireless range[m]: 10m-20m

Model Number: K91

Number Of Drivers: 1

Origin: Mainland China

Package List: User Manual,Charging Cable,Replaceable Pads Set

Plug Type: L Bending

Resistance: 32

Sound Isolating: Yes

Stand-by time: 600 hours

Style: Wireless headphone & headset

Support Memory Card: No

Time to market: 2026

Transmission range: 10M

Use: Smartphone

Vocalism Principle: Balanced Armature

Volume Control: Yes

Waterproof: No

Wireless Type: Bluetooth

With Microphone: Yes,Yes