1. support for both pair 2 phones (one for two versions)
2. Bluetooth version upgraded to 4.0 (Note: one for two version is 4.0,)
3. more power! Standby time of up to 72 hours, talk time is 10 hours, music playback time maximum support 8 hours!
4. support the phone vibrating reminder and sound!
5. hi-fi stereo, listening to music even more shocking
6. support redialing phone numbers