Features:

Voice prompt: Announce coming caller's Phone Number, Pause music for coming calls.
Voice Recognition: Just Say "Yes" to Answer or Say "No" to Refuse call.(ONLY for single model )
Noise Cancelling: 180°/270 ° in-ear design, fit the best ears position, cancell background and wind noise when in crowds.
Sweatproof Technology: Protects This from Sweat, and Coffee spills so you can wear in the Office or at the Gym.
Enhance battery capacity:   Phone time: 12hourss,   Music time:12 hours,   Standby time:60 days
 
Packing list:
1 * Single bluetooth headset
1 * Backup earphone
1 * USB charging cable
1 * User Manuel
1 * Pouch