Stylish Tws (True Cordless Stereo) Earbuds with an Efficient Solar Panel Integrated on the Charger Case. Ideal Earbuds for Outdoor Activites Since They Can be Charged by Solar Power When Power Sources Are Not Available. Bluetooth® 5.0 for a Stable Connection & Low Power Consumption, with a Connection Range Up to 10 Meters. Playback Time Up to 3 Hours at Maximum Volume. the 200Mah Rechargeable Polymer Battery in the Charger Case Can Charge the Earbuds From 0-100% Up to 3 Times. Ergonomic Design & Comfortable to Wear, with an Integrated Multi-Function Button on the Earpiece for Shortcut Control. Delivered in a Premium Gift Box. Minimum Quantities Apply.