MAKE AND ANSWER CALLS WIRELESSLY USING LATEST BLUETOOTH V4.1 FULL SPECIFICATION: -BUILT-IN HD MICROPHONE &SPEAKER, HANDS FREE CONTROLS FOR ULTIMATE CONVENIENCE --BLUETOOTH V4.1, CONNECT WITH TWO PHONES SIMULTANEOUSLY --HIGH-FIDELITY STEREO AND CLEAR SPEECH WITHIN 10 METERS --MINI UNIQUE EARBUDS WITH GOLF CLUBS SHAPE --TECHNICAL ERGONOMICS DESIGN 9MM IN-EAR AUDIO EARPLUGS --SPECIAL OWN-DESIGNED RETAIL PACKAGE AND MANUAL --INTELLIGENT VOICE PROMPT --GRADE A LI-POLYMER BATTERY, INCOMPARABLE LONG STANDBY --CORRESPOND WITH: BLUETOOTH V4.1 --BLUETOOTH PROFILE: HSP, HFP, A2DP, OPP, AVRCP --TRANSMITTING POWER: CLASS 2 --TRANSMISSION RANGE: 10M, 360° --FREQUENCY RANGE: 2.4026GHZ-2.480GHZ --OPERATING VOLTAGE AND CURRENT: 3.7V/14MA --LI-POLYMER BATTERY: 80MA --CHARGING TIME: ≤2H --TALKING TIME: ≥5H --STANDBY TIME: ≥175H 1. TAP (PRESS LESS THAN ONE SECOND) THE “MFB” TO PLAY/PAUSE THE AUDIO TRACK OR VIDEO CLIP. 2. SHORT PRESS THE “ -” BUTTON TO LAST/NEXT TRACK FUNCTION. 3. LONG PRESS THE “ -” BUTTON TO ADJUST VOLUME. HANDSFREE FOR INCOMING CALL — ANSWER: SHORT PRESS (LESS THAN ONE SECOND) THE “MFB” BUTTON — END : SHORT PRESS (LESS THAN ONE SECOND) THE “MFB” BUTTON — REJECT: PRESS THE “MFB” BUTTON AND HOLD FOR TWO SECONDS REDIAL THE LAST PHONE NUMBER: DOUBLE PRESS THE “MFB” BUTTON IN PAIRED MODE