Thanks to this TWS100C Bluetooth® earbuds, no cables or tangles needed. Two Bluetooth® earbuds with a 60mAh battery each. Always charged: Charging case with 350 mAh that will provide up to 3 charging cycles, up to 12 hours of use in total. Autonomy 3 to 4 hours of use in individual mode and 2 to 3 hours with both earbuds. The connection with Bluetooth 4.2 with distance up to 10 meters. Integrated handsfree function, with individual format. Make the decision between connection of both headphones at the same time or individually. Lightweight with a weight of 4 grams each earbud and 33 grams including the case. These Bluetooth® earbuds are ccomfortable and have an ergonomic design. Measure of the earbuds is 18x19x48mm and the measurement of the case is 55x25x65mm. The earbuds come with a luxury giftbox.