B39 Headset Wireless Bluetooth Headset Colorful Luminous Card-Inserting Game Music Sports Support Mobile Phone Computer

Product Description:

1.Colorful LED lights: seven-color transform cool breathing light, which will help you be more charming.

2.Headphones have a variety of options for listening. With a built-in TF card slot, you can use the TF / Micro SD card with the loaded MP3 music and listen to the song directly on the headset.

3.Designed with Bluetooth 5.0 and higher compatibility. Compatible with all phones, tablets, laptops, any Bluetooth-enabled device or device with a 3.5mm .

4.Built-in microphone: Supports hands-free calling and voice report caller ID.

5.Soft leather ear pads and a retractable headband reduce the burden on your ears.

Specification:

1.Bluetooth version: V5.0.

2.Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5.

3.Frequency: 2.402-2.480GHZ, 2.4G ISM band.

4.RF performance: receiver sensitivity: -84dBm; transmit power up to 4dBm.

5.Frequency response: 20 Hz-20 KHz.

6.Signal to noise ratio (SNR): 70Db.

7.Total harmonic distortion rate (THD) 0.1%.

8.Power indicator: Red and blue indicators flash alternately.

9.Headphone charging: rechargeable 400MAH lithium battery.

10.Charging port: mini 5-pin USB charging interface.

11.Normal charging time: 2.5 hours.

12.Talk time: up to 10 hours.

13.Standby time: up to 20 days.

14.Working temperature: -20 ° C -55 ° C.

Package included:

1 x Bluetooth headset.

1 x charging cable.

1 x 3.5mm audio cable.

1 x user manual.