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Latest Wireless Bluetooth 4.1 Technology with A2DP stereo music, clear sound, ideal for high quality music while running, jogging, cycling, skating, etcBuilt-in rechargeable Lithium battery lasts up to 4.5 hours of talk / play time or 175 hours standby
Sweat-proof, light weight and ergonomic design to enhance your comfort; comes with interchangeable earbuds and ear hooks
Superbly comfortable rubber adapters and unique design ensure that earphones always stay in place no matter your level of activity.