Features: □ High-quality Stereo Sound □ Free From Cable Mess □ Super Lightweight and IXP5 Sweatproof □ Portable Long Battery Life Charge Box □ Multifunction One-touch Operation □ Noise Cancellation Technology □ Bass Boost and Hi-Fi Reduction Technology □ Broad Compatibility with Bluetooth Enabled Devices Product Features: Battery: Polymer Lithium Battery Bluetooth Version: 4.2 Operation Range: 10 Meters Weight of Single Earbud: 5g/0.18oz Mobile Power Supply Charger Capacity: Polymer Lithium Battery DC Charging Voltage: DC5V DC Charge Current (MAX): 250 mAh v Weight: 0.17kg / 5.92oz Earbuds' Size: 0.59in x 0.74in x 0.98in Troubleshooting Steps 1) Boot problem. Check the battery power, and the Static electricity. 2) Bluetooth problem. Check the Bluetooth program, battery power, and signal or obstacle interference. 3) Operation problem. Please read the Use Instruction before use. Warranty One-year Warranty, Free Lifetime Technical Support. If you are not Satisfied with your Purchase for Any Reason. Please Feel Free To Contact Us! #bluetoothheadphones #noiseShotscharge #shotscharge #chargingcase #bluetooth5 #wirelessearphones #wirelessheadphones #bluetoothheadphones #ip #live_everyday #music_everyday #Amazon https://www.instagram.com/p/BuQYTFOB6Z0/?utm_source=ig_tumblr_share&igshid=1l8nk0zp6nwql