The TWS (true wireless stereo) earphone brings you extraordinary music enjoyment and allows you to have hands-free phone calls. Comes with a charging box to provide backup battery for your earphone, no worry about that it will be out of power. Ergonomically designed earbuds enhance long-lasting wearing comfort. •Bluetooth-compatible V5.0 technology, stable connection •Adopt True Wireless Technology, enjoy your wirelessly sports •With charging box, provides fast charge for your earphone •Compact and light-weight design, store your earphones inside the charger box for convenient carrying Specifications: •Bluetooth-compatible Version: V5.0 + EDR •Supported Protocols: HSP, HFP, A2DP, AVRCP •Bluetooth-compatible Distance: 10M •Music Time: 5 hours •Continuous Talking Time: 3 hours •Charging Port: 5V/1A •Earphone Fully Charged Time: 1 hour •Charging Box Fully Charged Time: 1 hour •Speaker Diameter: 6mm •Speaker Impedance: 16Ω •Speaker Power: 2mW-5mW •Speaker Sensitivity: 91±3dB •Microphone Sensitivity: -42db •Earphone Battery Capacity: 45mAh x 2 •Charging Box Battery Capacity: 400mAh •Charging Box Size: 57 x 51 x 31mm Compatible with: •iPhone 12 Pro Max/12/11 •Samsung Galaxy Note 20 Package included: •One Pair TWS Wireless Earphone Bluetooth-compatible 5.0 Sports Headset Handsfree Headphones •1 x English and Chinese Manual •Other items not included