Features: BT5.0 technology, low latency and low power consumption Large battery multifunctional charging case(as power bank for phone) With battery consumption displayfor earbuds and charging case Features left and right ear divided designand dual hosts, auto-pairingwhen you pick any headset up Waterproof design well withstanding sweat and rain Ergonomic design and feather-light weight are both precisely designed and measured to make your ears fully comfortable Advanced noise reduction technology realizesHD call