Estimate delivery : 8 ~ 10 business days, Free shipping Features: - Multifunctional Charging Compartment: The large-capacity charging compartment can not only charge the earphones, but also charge the mobile phone to get rid of the embarrassment of running out of power. - LED Three-screen Digital Display: With three-screen digital display, the remaining power in the charging compartment and the charging progress of the left and right headsets are clear at a glance, avoiding the embarrassment of power failure. - Stable Transmission: With V5.0 core upgrades the chip, the transmission is more stable, the connection is simpler, and the call and listening to songs are smoother. - Playback Time: With 2000mAh charging compartment, the cumulative time for headset talk is about 220h, the cumulative playback time is about 180h, and the headset charging times are about 40 times. - IPX7 Waterproof: The product is IPX7 waterproof and sweat-proof, so you can wear it when you do sports or you can take it in the shower. The head body is designed with multiple processes to effectively prevent sweat from damaging components. Charging method: 1. Charge the headset: Put the headset into the charging compartment and close the lid. The headset will automatically charge. It lights up in red when charging and goes out when fully charged. 2. Charging the charging compartmen: After connecting the data cable, the red light in the charging compartment lights up, and the red light goes out when it is full charged. Specifications: Model: R3 Bluetooth version: V5.0 Noise reduction version: CVC8.0 Working distance: connected within 10 meters Single ear capacity: 50mAh Charging compartment capacity: 2000mAh Waterproof rating: IPX waterproof Auto power on: support Automatic pairing: support Automatic connection back: support Life time: cumulatively 220h (need to be used with charging compartment) Talk time: accumulative about 180h (need to be used with charging compartment) Earphone charging: about 40 times Charging compartment input current: 5V 1A Magnetic attraction function: magnetic absorption nano charging Control mode: smart touch Function: play / pause / answer / hang up (tap left earphone once), call Siri (long press left earphone for 1s), volume down (tap left earphone 3 times), switch to the previous song (touch left earphone 2 even Lower), switch on and off (long press 5s). Applicable products: smart mobile phones, tablet computers (compatible with Android / IOS system) Package Included:1 x Pair of Headphones,1 x Charging Compartment,1 x Pair of Earplugs (S / M / L),1 x Charging Cable,1 x User Manual