ROMAN S530 Bluetooth 4.0 Double Wireless Portable Earbuds with Mic

Chipset: CSR V4.0 Mode: HFP1.6, HSP, CVC6.0, HD voice, voice prompts A2DP, AVRCP, IOS battery state monitor, multipoint profile Frequency: 2.4GHz Transmit power: Class 2 Music time: 6H Talking time: 6.5H Standby time: 200H Charging time:3H Size: 50 x 28 x 57.5mm Net weight:18g Color: black Connectors: USB Function: Water Resistant, Dirt Resistant, Shock Resistant Type: Neckband