Custom acoustic architecture for big Beats sound with full range and clarity.Smaller case to make these powerful earbuds the perfect on-the-go companion.Dual-layer drivers minimize distortion, ensuring high-fidelity sound.Purposefully positioned axial-aligned drivers deliver sound directly to your ears.Up to 18 hours of battery life.Fast Fuel, a 5-minute charge gives up to 1 hour of playback.Charge directly from your phone, tablet or laptop for extra power on the goDual compatibility for iOS and Android devices including seamless one-touch pairingEach earbud features custom-designed microphones powered by an advanced noise-learning algorithm for exceptional call quality.INCLUDED: Beats Solo Buds, Carrying case, Ear tips | Beats | | Refurbished Excellent | Solo Buds Bluetooth Wireless Noise Cancelling Earbuds with Charging Case | Arctic | Purple | Best Buy