Specifications:

Model NO: VJ320 

Product weight: About 350g

Music time: About 10-12 hours

Standby time: About 200 hours

Charge time: 2-3 hours 

Bluetooth version: 5.0

Bluetooth call: Yes

Transmission distance: About 10m

Effective range: 10-15M

Playing time: 10-12 hours

Frequency: 2.40GHz-2.48GHz

Speaker size: 40mm 

Power: ≤ 4 dBm, class 2

Sensitivity: 100dB

Frequency response: 20 Hz - 20 kHz

S/N rate: 85dB

Distortion: 0.10%

Transfer protocol:  A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5 

Operate temperature: -4 ~ +131°F(-20 ~ +55°C)

Features:

Bluetooth 5.0 chip, foldable, Bluetooth + TF Card + FM radio

Switch modes: 

Bluetooth / Radio / TF card / 3.5mm wired audio

Expand function: 

The delivered audio cable can be connected to a computer and various audio equipment

Over-ear soft memory protein earpads: 

It is comfortable to wear and supports for 10h. playtime for Bluetooth wireless connection

Bass dual 40mm drivers:

Provide you with a deep, accurate bass response for a sound that's crisp, powerful & kept within a soundproof design to help you enjoy your music better.

Wired mode:

You can also use it as a wired headphone with the provided audio cable so the headphones will never power off

What's inside the box:

   1 x VJ320 Bluetooth headset

   1 x Charging cable

   2 x Audio cables

   1 x Chinese + English user manual