Features: - Support multi-point connection, connect with two different devices at the same time. - Can call or answer the phone. - Support voice report number automatically. - Support voice reminding function. - With power consumption display function for iPhone. - With vioce controlling function. - Support song switching. - CVC 6.0 smart noise reduction. Specifications: Bluetooth Version: v4.0 Chip: CSR8635 Working scope: 10m Support agreement: A2DP, AVRCP, HSP, HFP Noise reduction: CVC6.0 Standby time: about 200 hours Charging Time: about 1-1.5 hours Talking Time: about 6 hours Music Time: about 4 hours Package Includes: 1x Stereo Bluetooth earphone 1x USB Charging Cable 4x Silicone rubber tips 1x User Manual