Description: Talk;Time:;;about;4H Realplayer;Time:;;about;4H Standby;time:;about;120H Bluetooth;version:;4.0 Support;Agreement:;A2DP/HFP/HSP Design;Proposal:;CSR Noise;Reduction:;Double;MIC CVC Denoise Transmission;distance:;10m Weight:;9.5G Volume:;66.5X14X21mm Color:;Black,White Features: 1.;3.0;denoise;and;redouble;clear 2.;Light;weight;and;easy;to;use;earphone 3.;It;can;show;the;battery;capacity;on;the;iPhone. 4.;It;can;freely;connect;two;bluetooth;devices;at;the;same;time Package;inc luded: 1;x Bluetooth Earphone 1 x;USB;cable 1;x;Ears Caps 1;x;Ears Wires 1;x;Chinese-English;User;Manual