JAZZA Over-Ear Rotatable Stereo Active Noise Reduction Cancelling Headphones Bluetooth Wireless Headset for Travel (Black)

Description

Specifications: Model: B2 Wearing style: Wireless Bluetooth headset Bluetooth Version: Bluetooth V4.1 Noise level: 23db Noise ratio: 50- 1200Hz The signal to noise ratio (SNR): ≥85db The working time: ≥30h The noise reduction modes: the feedback of before and after combined with the active noise cancelling Speaker diameter: Ф40mm Speaker impedance: 32ohm Speaker frequency response: 20 - 20K Hz Speaker sensitive: 115dB Speaker type: Neodymium magnet high-end speaker Headset Power supply: built-in 260mAh lithium- ion battery Bluetooth adapter power supply: built-in160mAh lithium- ion battery Wire length: 1.2m Wire material: TPE shielded wire Earmuff material: Protein intradermal filling inert memory sponge Net weight: 184g (Just one headphone) Inner package size: 21.5*19.7*5.5cm Outside package size: 21.5*19.5*6.8 cm Color option: Black How to charge the headphone: Use the USB cable connect with the headphone and the 5V power adapter or computer, when it is charging, the red LED will light, when the battery is full, the LED will blackout. How to charge the Bluetooth adapter: Plug the Bluetooth adapter into the headphone 3.5mm audio jack, use the USB cable connect with the headphone and 5V power adapter or computer, when it is charging, the red LED will light, when it is full, the blue LED will light.