Mini Bluetooth earpiece combines advanced Bluetooth 4.1 technology with high-fidelity sound in a lightweight and waterproof enclosure. It can be used to stream music directly from a tablet, smartphone or other Bluetooth-enabled devices and answer incoming phone calls over Bluetooth. The wireless earbud has a built-in rechargeable battery that runs for up to 3 hours. With ergonomic and ultra-lightweight design, it offers great listening pleasure while you're running, jogging, or working out at a gym. With a built-in in microphone, you are able to pick up any take calls without needing to pick up your connected mobile device. The Bluetooth headset is only for one ear, not a pair. Transmission Range: 10 m. Frequency Response: 20-20000 Hz. Impedance: 32 Ohm. Battery: 45mAh Li-ion. Music Playback Time: 3 h. Standby Time: 70 h. Weight: 4,9 g. Size: 10 x 15 x 18 mm. Colour: White