B39 Wireless Bluetooth HiFi Stereo Headset

HiFi STEREO: HiFi powerful bass stereo sound effect. 40mm diaphragm speaker drivers, deep bass stereo sound, enjoy the wireless high quality music.
COLORFUL LED LIGHT: Seven-color transform cool breathing light, shine everywhere, anytime. This colorful light attracts your eyes and makes you fall in love with it.
ERGONOMIC DESIGN: Comfortable over-ear fit and comfortable and foldable. Ergonomic design with soft earmuffs simulated to human skin texture, ensure long lasting comfort. Soft protein leather earpad and retractable headband lifts the burdens for your ear. No discomfort after long-time wearing.
WIRED AND WIRELESS TWO MODES: The wireless mode: a built-in 400mah battery provides up to 8-10hr music time or talking time in a single charge. The wired mode: you can also use it as a wired headphone with the provided audio cable so the headphones will never power off.
BLUETOOTH 5.0 ADOPT: The bluetooth 5.0 csr chipset, lower power consumption, superior compatibility. Compatible for all the mobile phone, tablet pc, notebook, any devices with bluetooth function or has a 3.5mm audio jack.