Awei AK4 Waterproof bluetooth Wireless In-ear Sport Magnetic Earphone with Microphone Line Control

Features: bluetooth 4.1 wireless conncetion up to 10 meters In-ear with earhooks design, never drop out during sports IPX4 waterproof, no fear of rain or sweat when doing outdoor sports Magnetic earphone, easy to keep it on your neck when you do not use it Frequency Response Range: 20-20000Hz Sensitivity: 923dB Resistance: 16 Driver Size: 6mm Line Length: 0.6m Package Included: 1 x Awei AK4 Earphone 1 x USB Cable 1 x Clip 2 x Earhook 4 x Earbud 1 x Bag