Foldable Bluetooth Headsets Wireless Headphs With Mic Stereo Earph Support TF Card FM For Xiaomi Iph Sumsamg

Product Description: 1. Colorful LED lights: seven-color transforming cool breathing light, which will help you be more charming. Headphones have a variety of options for listening.With a built-in TF card slot, you can use the TF/Micro SD card loaded with MP3 music and listen to the song directly on the headset. Designed with Bluetooth 5.0 and higher compatibility. Compatible with all phones, tablets, laptops, any Bluetooth-enabled device or device with a 3.5mm jack. 4. Built-in microphone: Supports hands-free calling and voice reporting of the caller ID. Soft leather ear pads and a retractable headband reduce the burden on your ears. Specification: 1. Bluetooth version: V5.0. 2. Bluetooth mode support: A2DP 1.2, AVRCP 1.0, HSP, HSF 1.5. 3. Frequency: 2.402-2.480GHz, 2.4G ISM band. 4. RF performance: receiver sensitivity: -84dBm; transmit power up to 4dBm. 5. Frequency response: 20 Hz-20 KHz. 6. Signal-to-noise ratio (SNR): 70Db. 7. Total harmonic distortion rate (THD) 0.1%. 8.Power indicator: Red a nd blue indicators flash alternately. 9. Headphone charging: rechargeable 400MAH lithium battery. 10. Charging port: mini 5-pin USB charging interface. 11. Normal charging time: 2.5 hours. 12. Talk time: up to 10 hours. 13. Standby time: up to 20 days. 14. Working temperature: -20° C -55° C. Package included: 1 x Bluetooth headset 1 x charging cable. 1 x 3.5mm audio cable. 1 x user manual.