Build Quality Sangat Bagus , Excellent Sound Quality Digital Screen Display --- LED digital power display, the remaining power of the charging cabin is clear at a glance, to avoid the embarrassment of suddenly running out of electricity. Painless wear and portable charger --- All day use for comfortable wearing. Oblique light-weight design means no pressure, for long-term use as you continue daily activities in comfort. Long Endurance Time --- Built-in large-capacity battery, which can be charged immediately and fully charged, is suitable for a variety of scenarios, so that you can travel without worry. Advance Technologe --- 5.0 lower power consumption is the core technology of headphones, adopt mini energy gathering cabin design, sensitive metal contact, which can be put and charged immediately. Intelligent Noise Reduction amp; HIFI sound quality --- With the new intelligent noise reduction technology, devote yourself to music even in noisy environments. The music flows effortlessly into your ears. With both ears,brings a highly restored real voice call, replicating the of clarity of face-to-face conversations. Bluetooth Version: 5.1 Single Ear Capacity: 50mA Charging Bin Capacity: 2000mA Battery: Built-in 2000mA battery (Included) Automatic Shutdown: Support Automatic Pairing: Support Endurance Time: Accumulated about 22 Hours (Need to Be Equipped with A Charging Box) Talk Time: 180 Hours (Need to Be Equipped with A Charging Box) Headphone Charging: About 40 Times Charging Box Input Current: 5V/1A Magnetic Absorption Function: Magnetic Absorption Control Method: Touch Operation Applicable Products: For Mobile Phones, For Tablet, For Computers (For Android/IOS Systems, etc.) Size: 11cm x 10cm x 4cm/4.33 #34; x 3.94 #34; x 1.57 #34; (Approx.) Package Includes: 1 x Charging Box (Others Not Included) 2 x Headphones 1 x User Manual 4 x Ear Caps 1 x Data Cable DIBAWAH INI CARA PAIRINGNYA, IKUTI LANGKAH-LANGKAHNYA