Specification Name: B39. Uses: wireless headphones, voice headsets. Bluetooth version: V5.0. Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5. Frequency: 2.402-2.480GHZ, 2.4G ISM band. RF performance: receiver sensitivity: -84dBm; transmit power up to 4dBm. Frequency response: 20 Hz-20 KHz. Signal to noise ratio (SNR): 70Db. Total harmonic distortion rate (THD) 0.1%. Power indicator: Red and blue indicators flash alternately. Headphone charging: rechargeable 400MAH lithium battery. Charging port: 5-pin USB charging interface. Normal charging time: 2.5 hours. Talk time: up to 10 hours. Standby time: up to 20 days. Working temperature: -20 ° C -55 ° C. Other features: support status indicator, charging indicator display. Color: black red.
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Save the trouble of frequent charging. Skin-friendly ear pads and super lightweight design ensure you focus on your talk with lasting wearing comfort, a perfect choice for truckers, travel, video conferencing, e-learning, live streaming, video streaming, and more.
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Wireless Bluetooth Headphones Super Bass Foldable Stereo Earphones Headsets Mic Brand New and High Quality Features .
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Built-in Microphone: Allows for handsfree calling, making it easy to take calls on the go. Experience the ultimate in wireless audio with our high-performance Bluetooth 5.0 sports headphones. Perfect for any activity, these earphones combine superior sound quality with a comfortable, secure fit.
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