Bluetooth Earbuds, Heiyo0153; Wireless Bluetooth V4.1 Sport Headsets Sweat Proof Adjustable Outdoor Earpiece Retractable Earhook headphones Earphones with Microphone Latest Adjustable Bluetooth Headphone Earbuds with Mic: This wireless Bluetooth earpiece ensure you wear comfortably & remain stable in your ear. the connection between ear hook and earbud can extend up &down , the earbuds can be adjusted at the ears up & down by degree. Ergonomic design ear hooks & soft rubber-made ear plugs fit different ears shape for long-time wearing. Advanced Technology : With Bluetooth 4.1 + EDR APT-X audio decode +CSR 8645 Chipset + CVC version 6.0 noise cancellation technology offering strong signal & perfect HD stereo sound. Perfect for Sports : Outstanding sweat proof IPX4 moist-proof and drizzle-proof in-ear Bluetooth headset allows you to freely release your sports passion while exercising, running, jogging, cycling, hiking, driving,camping, fishing or other outdoor sports. Super Standby Battery Headset: Built-in rechargeable 120 mAh high quality Lithium battery supports a continuous 240hours standby time,6.5 hours talk time,6 hours music time,2 hours charging time.Works with Apple iPhone iPad,Android Samsung S7 S6 edge LG HTC Xiaomi HuaWei Sony Ericsson Google Nexus Nokia other tablets or smartphones with Bluetooth. Multi-Points Connection : This Bluetooth sports Gym Earphone can pair 2 Bluetooth devices at same time.Long-Press 5 seconds to Power On till "Pairing" mode. On your Device A "Bluetooth", then Connect "S380". Now Power off Device A before connecting, then Connect Device B in the same way as above. You can share music or switch calls between this 2 devices.