Bluetooth Wireless Foldable Headset with TF Card Socket HIFI Microphone Stereo

Specifications: Bluetooth 5.0 with MP3 function supports stereo music playback, phone calls. It supports all audio devices with bluetooth-compatible function, such as mobile phones, tablets, laptops, computers, etc. Featuring with 3.5mm audio jack, you can easily connect various devices without Bluetooth. It allows you to answer or reject calls anytime, anywhere. With large capacity battery and charging by USB design, it is convenient and practical. The charging time is 1 hour, the playback time is up to 10 hours, and the standby time is up to 250 hours. This is the best choice for listening to music, watching movies, online chatting, etc. With TF card socket and without any bluetooth-compatible device, you can still enjoy music anytime and anywhere. The foldable design and adjustable length earphone strap make it very comfortable and easy to carry. Item Name: bluetooth-compatible Headset Bluetooth Version: V5.0 Material: Plastic Output Power: 40mW Effective Range: 10-30M Sensitivity: -84dBm / 0.1%BER Frequency Response: 20 Hz-20 KHz Signal to Noise Ratio: 85dB Distortion: 1% Impedance: 32Ω Speaker Size: 40mm Battery Capacity: 400mAh(Included) Music Time: 10-11 Hours Standby Time: 250 Hours Charging Time: 1-2 Hours Operating Temperature: -4~+131 Degree Fahrenheit(-20~+55 Degree Celsius) Interface: 3.5mm Audio Hole, TF Card Socket, USB2.0 Features: Large Capacity Battery, with TF Card Socket, Cool Appearance, with MP3 Function Size: 19cm x 18cm x 7.5cm/7.48" x 7.09" x 2.95" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Headset 1 x 3.5mm Audio Cable 1 x USB Charging Cable 1 x User Manual