B21 Bluetooth Headphones for Phone PC HIFI Strong Bass Earphones Bluetooth 5.0 Wireless Headset Headphones with Mic

Product Features: 1. Bass surging and natural: Sound on the scene, enjoy the world’s best music. 2. Bluetooth 5.0: The new Bluetooth 5.0 rejects the freeze delay, fast transmission speed, just for faster and more stable. Enjoy wireless Bluetooth fun and good time. 3. 40MM Large Dynamic Unit to enhance bass texture. High-Definition microphone with noise reduction technology for clearer calls. 4. Head-mounted all-inclusive ergonomic wear design: people who ever used it that always like it real sound on the scene. The right head-mounted all-inclusive Ergonomic wear design, see it, you will fall in love with it, if you use it, you cannot do without it. 5. Powerful bass 40mm large moving coil unit: using dual 40mm large moving coil units to enhance the bass texture. Rich bass details, the sound is inferior, every drum beat bring you resonance, every single sound touches your heart, give you a live music experience. 6. Comfortable to wear Fully wrapped earmuffs, smooth and delicate to touch, with breathable sponge wrapped inside, the on-ear design does not oppress the ears and retains good sound. 7. HD microphone clear call: use hidden high-definition microphone design to avoid protruding risk of broken microphone, with noise reduction technology, both phone calls and game voice intercom are clear and no noise. 8. Switch between wireless and wired multiple usage, multiple fun. 9. Easy to fold, Bring music to travel, swing left and right to fold it up, you can put it in your backpack in two steps.

Product Specification: Type: wireless + audio cable Bluetooth version: Bluetooth 5.0 Earphone Type: Headphone Microphone: Yes Noise Reduction: Active Waterproof: No Playback control: Yes Wearing method: head-mounted Headphone output source: portable audio-visual Plug diameter: 3.5mm Connection type: Bluetooth + 3.5mm audio cable connection Bluetooth connection: compatible with various audio output devices with Bluetooth Bluetooth receiving distance: 10 meters Whether wireless headphones: Yes With audio cable: yes Folding function: Yes Built-in battery: 800mAh Charging port: Micro USB Charging time: 2-3 hours Work time: 10-15 hours of continuous playback Sounding principle: moving coil Speaker diameter: 40(Φmm)*2 Frequency range: 60HZ-20KHZ Impedance: 32 (Ω) Sensitivity: 98 (dB) SPL Distortion rate: ≤1 (%) Earplugs/earmuffs material: leather Headphone cable material: PVC Product size: 85*170*200mm Product weight: 0.277kg

Package Included: 1* B21 Bluetooth headphones 1* USB charging cable 1* Audio cable 1* Storage bag 1* User's manual