SPECIFICATIONS

Brand Name: centechia

Style: Earbuds

Vocalism Principle: Balanced Armature

Origin: Mainland China

Active Noise-Cancellation: Yes

Material: Silica gel

Control Button: Yes

Communication: Wireless

Volume Control: Yes

Category: Earphones & Headphones

Certification: CE

Number Of Drivers: 2

Plug Type: L Bending

Impedance Range: up to 32 Ω

Headphone Pads Material: Silicone

Sound Isolating: no

Support Memory Card: No

Waterproof: Yes

Frequency Response Range: 20 - 20000Hz

Voice assistant built-in: no

Wireless Type: bluetooth

Line Length: 1m

Package List: User Manual

Package List: Charging case

Package List: Charging Cable

Height[mm]: 40

Width[mm]: 40

Codecs: AAC

Codecs: Apt-X HD

Driver Diameter: 20mm

Resistance: 32ΩΩ

Depth[mm]: 40

Sensitivity: 120dBdB

Is wireless: Yes

Weight[g]: 45

NFC Technology: no

Connectors: Type c

Earcups Type: Sealed

Bluetooth Version: 5.1

Battery life up to[hours]: 24

Total Harmonic Distortion: 2%

Charging Method: Charging case

Max Output: 30mW

Support APP: Yes

Function: For Internet Bar

Function: Monitor Headphone

Function: for Video Game

Function: Common Headphone

Function: For Mobile Phone

Function: HiFi Headphone

Function: Sport

Battery Capacity[mAh]: 250

Maximum wireless range[m]: <10m

With Microphone: Yes

Features: waterproof

Features: With Microphone

Features: Apple Siri Support

Features: Active Noice Cancelling

Product name: Silicone protective sleeve

Applicable model: freebuds4

Product material: environmentally friendly silicone

Product process: injection molding/injection molding