Specification: Product Name: Pea Mini bluetooth Headset Model:H66 Talk time: about 4 hours Music playback time: about 5 hours Standby time: about 170 hours bluetooth version: bluetooth version V4.2 Support bluetooth protocol: HFP, A2DP, AVRCP Transmission frequency: 2.4GHz-2.48GHz Receiving sensitivity: -42 ± 3dBm Applicable models: Suitable for all bluetooth-enabled mobile phones, bluetooth PDA phones and voice devices Transmission distance: about 10 meters Note:Voice switching method: power on in pairing state (red and blue lights flash alternately) double-click the function key to hear the voice Features: 1. Mini invisibility, very small, hidden in the ear; 2. Built-in 80 mAh battery, the listening time can reach more than 5H; 3. One-click operation, can play, pause, and replay at the end; 4, good value and performance, petite figure, polished car paint texture, feel good, bluetooth 4.2 version, better performance; 5. Free choice of wearing method, ergonomic side in-ear design, soft silicone ear cap, firmly fit the ear, you can choose to wear left and right, and can effectively block noise; 6. Support two devices connected at the same time, one for two functions, different mobile phones can exchange control headset