... 10M Alibaba High-end & Cheapest Bluetooth Wireless headphone Built-in MIC, Headset for Mobilephone/iphone, mobile phone headphones FEATURES: • Enjoy stereo ... EDR 3. GFSK(Gaussian Frequency shift keying)4. Bluetooth chip: CSR5. Bluetooth profiles supported: HSP,HFP,A2DP,AVRCP6.Talking time ... , Japan, Australia, Canada and USA etc! Alibaba Cheapest Bluetooth Wireless Headphone,Mobile phone headphones