450BT Bluetooth Headset
telerock-lb.com
Electronics / Audio

450BT Bluetooth Headset

$8.00
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450BT Wireless Bluetooth Headphones with Mic Hi-Fi Stereo Headset Deep Bass Over Ear Headphone Bluetooth Specification: Item Type: Bluetooth Headphone Bluetooth version: v5.0 Bluetooth mode support: A2DP 1.2, AVRCP 1.4, HFP16 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: 70dB; Total harmonic distortion rate (THD) 0.1% Power indicator: red and blue flashing Headphone battery: 400mAh lithium battery Charging time: 2.5 hours Call time: about 4 hours Play time: 3-4 hours Standby time: up to 20 days Working temperature: -20 ° C -55 ° C. Other functions: support TF card (maximum 32G, need to purchase separately) support status indicator, charging indicator display

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