Cord free design<br />Fitness tracker<br />Seamless music experience<br />Bluetooth v4.1<br />Up to 3.8 hours Music Play<br /><br />USB Version: USB 2.0<br />Bluetooth Version: Bluetooth v4.1<br />Bluetooth Profiles: A2DP, AVRCP, HFP<br />PC Sync.: Gear IconX PC Manager<br /><br />Color: Black<br />Compatible Specification of Smartphone: Android 4.4 ?, 1.5 GB ?<br />Package Contents: Charging Case, Earbuds, Eartips (S, M, L), Quick Start Guide, USB Connector, USB Cable, Wingtips (S, M, L)<br /><br />Available Memory (GB): 3.5<br />Number of Songs: Up to 1,000<br />Sensors: Accelerometer, HR Sensor<br /><br />Durability: Splash Resistant (P2i Nano Coating)<br /><br />Battery Capacity (Earbud): 47 mAh<br />Battery Capacity (Case): 315 mAh<br />Number of Charges: Up to 2 Times<br />Standalone Music Play: Up to 3.8 hours<br />Standalone Music Play with Workout: Up to 3.4 hours<br />Audio Streaming (Bluetooth Connected): Up to 1.6 hours<br />Audio Streaming (Bluetooth Connected) with Workout: Up to 1.5 hours<br /><br />Audio Playing Format: MP3, M4A, AAC, WAV, WMA (WMA v9)<br />Number of MIC (per Earbud): 2 EA<br /><br />Voice Guidance: Chinese Cantonese, Chinese Mandarin, Dutch, English (US, UK), French, German, Italian, Japanese, Korean, Portuguese (Latin), Russian, Spanish (Latin, Spain), Turkish<br />Data Measured: Calories Burned, Distance, Duration, Heart Rate, Speed<br />