Awei AK4 Magnetic Wireless Bluetooth Earphone

Feature & Specification: ✦Model Number : Awei AK4 ✦ Brand Name : Awei ✦Bluetooth Version: CSR4.1 ✦Wireless Type: bluetooth ✦Talk time: 12 hours ✦Music duration: 10 hours ✦Charging time: 2 h Charging ✦Standby time: 240 hours ✦Channel system: Stereo (2-channel) ✦Support Agreement: HFP/HSP/A2DP/AVRCP/CVC ✦Waterproof: IPX4 ✦Product color: Blue | Black | Gold ✦Support Memory Card: No Support ✦Sensitivity: 92±3dB ✦Connectors: USB ✦Volume Control:  Yes ✦Vocalism Principle: Dynamic ✦Style: In-Ear Plug ✦Communication: Wireless ✦Bluetooth working frequency: 2.400GHz | 2.480GHz ✦Best call distance 100% GENUINE PRODUCT ✦ Product Warranty: —   Show More Show Less