KEY FEATURES: Multi-Layer Speaker Unit – for clear and transparent sound with powerful bass and less distortion; Tuned by Harman Kardon®- for high-quality acoustic performance with crisp treble and robust bass
- Dual MEMS microphones for crystal-clear conversations- Elegant, simple design with retractable earbuds
- 3.7 V / 220 mAh Lithium-ion polymer battery
- Up to 14 hours of talk time and 14 hours of music play with a charging time of less than 2 hours