Brand Name : NoEnName_Null

Control Button : Yes

Origin : Mainland China

Volume Control : Yes

Active Noise-Cancellation : Yes

Communication : Wireless

Material : Plastic

Style : In-ear

Category : Earphones & Headphones

Vocalism Principle : Other

Plug Type : None

Wireless Type : bluetooth

Support Memory Card : No

Package List : User Manual,Charger,Replaceable Pads Set

Waterproof : Yes

Line Length : 0.35m

Magnet Type : other

Impedance Range : up to 32 Ω

Codecs : None

Headphone Pads Material : Silicone

Is wireless : Yes

Connectors : Type c

Bluetooth Version : other

Charging Method : Cable

Support APP : No

Function : For Mobile Phone,HiFi Headphone,Sport

With Microphone : Yes

Features : waterproof,With Microphone,Active Noice Cancelling

F520 Weight : 18.5g

Battery Capacity : 80mAh

Music Hours : 14hrs(around 70% Volume); 12hrs (around 100% Volume)

Call Hours : 10hrs

Standby Hours : 120hrs

Charging hours : 2hrs

Transmittion Distance : 10m

Working Frequency : ISM Band(2.402-2.480GHZ)

Supporting Agreement : handset/handfree/A2DP/AVRCP

Charging Voltage : DC5V

Earphone Weight : 18.5g