Product Specification: Bluetooth specification:V5.1 Bluetooth Profile:A2DP,AVRCP, HFP;HSP Working voltage:3.1V~4.2V Charging voltage:5V-1A Battery capacity of the headset: 50MAH Battery capacity of the storage box:500MAH/200MAH Transmission distance:>10M Call time:4-5h Play time:4-5h Waterprof :IPX4 Charging time of headset:1h Charging time of the Charging box:2h Features: 1. LED Power Display, The Power Level Is Clear At A Glance 2. Bluetooth 5.1, Stable Transmission And Low Power Consumption 3. Smart Fingerprint Touch, Easy To Operate 4. Pull Magnetic Absorption, A Unique Experience 5. Super Large Capacity Charging Compartment, Super Battery Life 6. Easy To Connect After Picking Up, Waterproof And Sweat Proof, HIFI High Fidelity Products include 1 * One pair of Bluetooth headsets 1 * Charging box 1 * Charging cable 1 * User Manual 4 * Ear cap