1.low energy and highly economic Bluetooth radio module 2.Bluetooth V2.1+EDR protocol, supports HS/HF, A2DP, AVRCP DESCRIPTIONN52B is a small form factor, low energy and highly economic Bluetooth radio module that allow OEMs to add wireless capability to their products.The module compliant with Bluetooth V2.1+EDR protocol, supports HS/HF, A2DP, AVRCP Bluetooth profiles, makes wireless calls by ...