Model Name S6SE Color Purple About this item IPX4 Sweatproof and Water Resistant, Intelligent Digital Display, 3 True Power Displays A whole new wireless noise reduction technology using BT 5.1 high-performance chip How to use: Connect to BT,Ready to use Specifications: Item Type: BT Earphone Material: ABS BT Version: V5.1 Transmission Distance: Approx. 10m /32.8ft Playback/Talk Time: About 3 hours Headphone charging time: about 40 minutes Charging compartment time: about 2 hours Charging warehouse standby time: about 3 days. Support protocol: A2DP / HFP / HSP / AVRCP Headphone Battery Capacity: Lithium battery 38 mAh (built-in battery) Charging box battery capacity: 300mAh lithium battery (battery included) Package List: 2 x Headphone 1 x Charging Compartment 1 x USB charging cable Make connection easier and faster and enjoy fidelity sound quality HIFI sound quality, lossless noise reduction, more stable and comfortable Ergonomically designed skin-friendly material, the ear is soft and will not cause swelling or pain when using