These headphones are well built considering their affordable cost for anyone, and the listening quality is truly amazing

Features:

1. Adjustable wireless Bluetooth headphones, adjustable Vs bluetooth3.0 + EDR.

2. Adjustable headband for a comfortable and secure fit.

3. Equipped with audio cable, the receiver can be used as a wired headset.

4. 3.5mm plug, compatible with MP3, MP4, PC, PCD, DVD, and most smartphones.

5. High-quality rechargeable lithium-ion battery, working time: 10 hours.

Model NX-8252

Headphone type (with microphone)

Bluetooth version V3.0 + EDR

Headset protocol

Impedance 32ohm

Headphone sensitivity 105dB + / - 3dB

Transmission distance Up to 10m

Interfaces 1 x 3.5mm headphone jack

Battery

Battery types non-rechargeable, Li-ion

Battery capacity 300mAh

Package includes

Package Content Box: 1 x Bluetooth headset

1 x manual

1 x 3.5mm Jack cable for headphones