Suorin Air All-in-One Card-Style Ultra Portable System 400mAh Starter Kit - Silvery SS Stainless providing high-fidelity sound quality

providing high-fidelity sound quality

1 Bluetooth Frequency Response: 2

If yo insert your TF card in it

Heart Rate Sensor Smartphone OS Compatibility: Android 4

Suorin Air All-in-One Card-Style Ultra Portable System 400mAh Starter Kit - Silvery SS Stainless providing high-fidelity sound qualityProduct Features: The Suorin Air is manufactured with excellent build quality and exacting tolerances which provide a rarely matched level of reliability and durability. Whether you are seeking to streamline your setup, add a reliable backup, or start with a stylish and dependable device; the Suorin Air is the device you've been waiting for! Classic Card Style Magnetic Refillable Pod Cartridge System All in One Device 400mAh rechargeable battery 2.