Brand Name: truefree

Active Noise-Cancellation: No

Battery Capacity [mAh]: 40mAh*2+300mAh

Bluetooth Version: Other

Category: Earphones & Headphones

Certification: CE, FCC, KC, pse

Charging Method: Charging case

Codecs: AAC, sbc

Communication: True wireless

Connectors: Type c

Control Button: No

Driver Diameter: 12

Frequency Response Range: 20 - 20000

Headphone Pads Material: Other

High-concerned chemical: None

Impedance Range: up to 32 Ω

Is wireless: Yes

Magnet Type: Other

Material: ABS

NFC Technology: No

Number Of Drivers: 2

Origin: Mainland China

Plug Type: None

Resistance: 30

Sensitivity: 119

Sound Isolating: No

Style: Wired in-ear headphones

Support APP: Yes

Support Memory Card: No

Vocalism Principle: Dynamic

Voice assistant built-in: No

Volume Control: Yes

Waterproof: Yes

Wireless Type: Bluetooth

With Microphone: Yes