1: Rechargeable Lithium Battery: 110 Mah
2. Bluetooth UHQ Audio
3. Two Channel Speaker unit (13mm Dynamic, 13mm Piezoelectric Loudspeaker)
4. Anti splash, anti sweat
5. Dual Mike NR/EC (Noise reduction and echo cancellation)
6. Magnetic headphones control calls and music
7. Flexible polyurethane material