iTechCool Stereo Wireless Bluetooth Earphones with High Fidelity Sound Quality, 12 Hours Battery, Sweatproof Bluetooth Earbuds with Noise Canceling for Phone/PC Features: The Smaller Size, more Comfortable to Wear The wireless headsets are smaller than other brands of headphones, ergonomically designed for a long time wearring without painlessness. The best choice for business, travelling and sports. Portable Mini Charging Station 1. The charging case is not only a PROTECTOR but also a POWER BANK for the headphones; 2. The headphones turn on and connect your smart phone automatically when removed from the case; 3. Turn off and CHARGE automatically when put back in the case; 4. Recharge on the go up to 4 times with 2-2.5 hours playback per charge. Music all day, music anywhere and anytime. Specifications : -Bluetooth Version: 4.2 -Dimension: 1.7 x 0.9 x2.3 inch -Support iPhone/iPad Battery Indication -Bluetooth distance: 10 meters barrier -Support Voice Prompt Battery Capacity -Earbuds: 65mAh -Charging Case: 550mAh -Talk/Music time: 2-2.5H -Standby Time: 100H NOTE: Compatibility: compatible with Android, IOS, Microsoft, Saipan system with 99% of the Bluetooth mobile phone and devices. Our Wireless Earbuds Have All Been Successfully Paired The first time you use it, you don't need to repair, you can directly turn on the two headphones, then turn on the Bluetooth on your device and select "TWS" for pairing. Start your music journey. Package Included: 1 X iTechCool Wireless Earbuds 1 X USB Charging Cable 1 X User Manual 1 X Package Bag