Aquarius Wireless 200mAh Bluetooth Stereo Earphones- Black STEREO SOUND: Wireless earphones adopted an advanced Bluetooth chip, ensuring high-fidelity stereo sound quality output, making the sound more stereoscopic. With the unique bass diaphragm, you can enjoy an excellent bass as well. COMFORTABLE TO WEAR: Silicone ear tips make your ear comfortable while listening to music for a long time without pain perception and keep a long sense of comfort during the wear. Ergonomic design with noise cancelling allows ultimate wearing comfort to match your active lifestyles like running, driving, hiking, and other outdoor sports. BLUETOOTH COMPATIBILITY: Advanced Bluetooth technology makes it faster to connect with devices such as mobile phones, Super quickly pairing with android, iOS and other Bluetooth devices. LONG BATTERY LIFE: Ultra-long battery life of headphones allows Bluetooth headphones to play the music for a long time. It also supplies up to 150 hours of standby time with only a 1-hour quick charge.