Main Features: �� NFC function， easy to connect with audio devices�� Double earplugs design， better stereo sound effect�� In ear style， very convenient when driving and doing sports�� Multi-point pairing， can connect with two phones at the same time�� HD microphone for quality conversations�� Volume control function for sports convenient�� Come with Micro USB cable for charging�� Suitable for all Bluetooth enabled device�� Allows you to answer the call and listen to stereo music anytime and anywhereBrand: Dacom Model: Athlete Color: Red，Black，White Wearing type : In-ear with ear hook Function: Microphone，Multi connection function，NFC connection，Noise Cancelling，Answering Phone，Song Switching，Voice control，Bluetooth Connectivity : Wireless Connecting interface : Micro USB Application: Sport Sound channel: Two-channel (stereo) Frequency response: 20~20KHz Impedance: 16ohms Sensitivity: 100 �� 3 dB Talk time: 8 hours Music Time: 8 hours Standby time: Up to 180 hours Charging time: About 2 hours Bluetooth: Yes Bluetooth version: V4.1 Bluetooth distance: W/O obstacles 10m Bluetooth protocol: A2DP，AVRCP Bluetooth mode: Hands free，HeadsetPackage weight: 0.189 kg Package size (L x W x H): 16.000 x 11.000 x 4.500 cm / 6.299 x 4.331 x 1.772 inches Package Contents: 1 x DACOM Athlete NFC Bluetooth V4.1 Hands Free Sports Earphone Dual Earplugs with Mic， 2 x Earbud， 1 x USB Cable， 1 x Bilingual User Manual in English and Chinese