Bluetooth Syncing: The Beats Studio Buds case with bluetooth pairing button not only charges Beats Studio Buds, but also allows Beats Studio Buds to be paired with your iPhone, android or tablets. Easy & Fast charging: The replacement charger case for Beats Studio Buds only takes 20 minutes for fully charging Beats Studio Buds, enough for 2.5 times charging of Beats Studio Buds with 660mAh built-in battery capacity. Visible LED Indicator: The wireless charging case for Beats Studio Buds will always shows the battery levels by the LED light while charging . Pocket-Sized Charging Case:The compact and lightweight design ensure the Beats Studio Buds case to be carry easily everywhere. Wireless charging for you always. color:Black Material:plastic Package Contents: 1 x Earphone Charger Case 1 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.