<p> <b>WHY Knpaimly IS THE BETTER CHOICE IN BLUETOOTH HEADPHONES?<br /> </b> + IPX-7 WATERPROOF / SWEATPROOF PROTECTION -- Advanced nano coating technology.<br /> + ADVANCED BLUETOOTH V5.0+EDR -- Wireless up to 30 feet.<br /> + HD VOICE CALLS -- CVC 6.0 noise Isolation technology reduces outside noises, enable clearer microphone sound.<br /> + LONGEST USAGE TIME -- Battery is increased. Support 12 hours continuously talking time, 12 hours music playing time, 270 hours standby time. <br /> + TRUE HIGH DEFINITION HIGH FIDELITY STEREO SOUND -- Excellent sound performance with CD-like top quality. Premium sound with deep bass and crystal clear treble.<br /> + CONTROL CALLS -- Hands free calling and easy controls for volume, skip, pause and play.<br /> + ERGONOMIC & STYLISH DESIGN, SECURE COMFORT FIT.<br /> + COMPATIBLE WITH ALL BLUETOOTH ENABLED DEVICES.<br /> <br /> <b>Technical specification:<br /> </b> - Bluetooth Specification: 5.0+EDR<br /> - Bluetooth profiles supported: HFP,HSP,A2DP,AVRCP<br /> - IPX7 Waterproof Rating<br /> - Connect with Two Smart Phones at Once<br /> - Noise Reduction: CVC 6.0<br /> - Transmission Distance: 30 ft<br /> - Battery: Lithium-ion Polymer 180 mAh<br /> - Frequency Response: 20 -22kHz<br /> - Charging Port: Micro USB<br /> - Charging Time: 1-2 Hours<br /> - Playback Time: Up to 12 Hours<br /> <br /> FREE REPLACEMENT POLICY WITHOUT ANY COST.<br /> 18 Months MONEY BACK GUARANTEE.<br /> 24 Hours E-mail CUSTOMER SERVICE.<br /> NO HESITATION. 'Add to Cart' now! </p>