Syllable D900 Wireless Bluetooth 4.0 Sport Single And Dual Mode Headset Earphone With Charging Stand For Cellphone<br>Features:<br>Portable and lightweightErgonomic earbud designCVC6.0 intelligent noise reductionSweatproof for sportsConnection with 2 Bluetooth devices simultaneouslyVoice command for processing callsComes with 1000mA power bank dockControl music and calls with headphoneAllow for answering calls anytime and anywhereSupport hands-free modeSupport single \/ dual modeSupport right and left pairingBuilt-in high performance lithium polymer batteryTouch paring， connect with Bluetooth earphone convenientlyCompatible with all Bluetooth enabled devices<br>Specification: <br>          General           Brand       Syllable           Model       D900           Color       Black， White           Wearing type       In-Ear           Function       Microphone， HiFi， Answering phone， Multi connection function， Bluetooth， Noise Cancelling           Specification           Connectivity       Wireless           Application       Sport           Cable length       No           Driver unit       8mm           Sound channel       Two-channel (stereo)           Impedance       16ohms           Microphone sensitivity       -42dB&amp;plusmn;2dB           Talk Time       1-2 hours           Music Time       1-2 hours           Standby time       2-4 hours           Charging time       About 2 hours           Extended Function           Bluetooth       Yes           Bluetooth version       V4.0           POWLEV       CLASS II           Bluetooth distance       W\/O obstacles 10m           Bluetooth protocol       AVRCP， A2DP           Bluetooth mode       Headset， Hands free           Dimension and Weight           Product weight       0.010 kg           Product size (L x W x H)       2 x 2.7 x 2 cm \/ 0.79 x 1.06 x 0.79 inch   <br>Package Included: <br>1 pair Syllable D900 Wireless Bluetooth Headsets1 x USB Cable2 x Ear Cap1 x Charging Dock