These headphones, it meets all of your expectations plus more. First of all, the transmission range is 10 meters.. Next, the sound quality is really good. Also, these headphones are made of very light material to the point that you really don't even tell them, yet they stay on so well even when physically active. Most importantly they are sweat and moisture proof.

• The Headphones are compatible with ios, Symbian, Android and other products. High-fidelity stereo sound quality with aptx codec.
• Special ear-hook design to ensure a comfortable and secure fit for everyone. With the specially designed ear hooks, you will never worry about the headphone falling off in a gym or workout again.
• Wireless Bluetooth Earphones allow auto switching between music and calls. You can control all functions of music and calls easily via the buttons of Bluetooth headset.
• Great in noise reduction. Up to 3-4hours for listening to music, 4-5 hours for phone calling, standby for 4-5 days.
• Three colors available, black, white and red.

The Headphones are compatible with ios, Symbian, Android and other products. High-fidelity stereo sound quality with aptx codec.Shenzhen Chuanglian Zhizhan Co., Ltd