The Rapoo H6020 2.4GHz Bluetooth Wireless Headset with Microphone (Black) features Bluetooth 2.1 EDR wireless technology for up to a 10m range. Headphones will automatically switch to calling mode for incoming calls.
Rapoo H6020K Features
Bluetooth 2.1+EDR wireless transmission protocol: Bluetooth 2.1+EDR wireless transmission protocol supports up to 10M high-quality, stereo music enjoyment
Auto switch between phone call and music: Your headphone will automatically switch to calling mode when calls coming even if you are listening music
Built-in rechargeable lithium battery: Recharge by using the universal mini-USB cable - even while you're still playing;3-hour charging,12-hour music enjoyment,15-hour calling