CZYCO Head-Mounted Wireless Headset Bluetooth Stereo Heavy subwoofer Foldable Headphones Built-in Mic?Red?

Feature Space-saving design Unique foldable design not only saves space but also makes it portable. Soft protein padding flexible closed-back fix. Lolding design Easy to storage and carry. Comfortable earmuffs Auricle with a soft sponge and leayher material inside,the 40mm subwoofer brings silence is a sterea experience. Never power off.Built-in speakerphone for hands-free calling, 300mAh Lithium-Ion rechargeable battery offers 10 hours talk time or music playback Bluetooth 5.0, Signal stability, speed, power saving . HD MIC, HD Sound, much more clear music and talking. Collapsible for easy storage, flexible and durable headband, protein leather ear cups allow prolonged use Microphone Noise Reduction echo cancellation. Pecification Product model: L350 Load power: 50mW Bluetooth version: Bluetooth 50 Headphone Frequency Response Range: 20Hz-20KHz Supply Voltage: 3.3-4.2V SNR: 100dB Working current: 30mA Working range up to 15 meters Frequency response 5-2500Hz Sensitivity 105dB Music time 8-10 hours Standby time up to 1300 hours Frequency Range 2.4 GHZ-2.48 FGZ Transfer mode: moving coil type Frequency range: 24GHz-2480GHz Charging Voltage: 5V Horn Specification: 40mm Charging current: 5V500mA Impedance: 32 Charging Interface: Micro USB Plug Type: 3.5mm Stereo Interface Battery capacity: 200 mA Package included: 1x Headset 1xUSB Charging cable