JOYROOM JR-HL1 Wireless Bluetooth 5.0 Headset Deep Bass Stereo Over-Ear Headphone Earphone with Microphone for Sports Music Features: Bluetooth 5.0 wireless technology, stable and continuous connection. 40mm large dynamic coil unit, shock deep bass effect. Large-capacity battery, 18 hours long battery life, good sound effect. Lightweight high-quality PU sponge earmuffs, skin-friendly and breathable, comfortable to wear. High-recognition independent button design, one-handed control of music. All-inclusive earmuffs, sound insulation material guarantees sound quality. Switch between wired and Bluetooth modes freely, you can also listen to music without power.