Bluetooth Wireless Verson: 4.1 Standby Time: about 100h Charging Time: about 1.5h Talk Time: about 6h Weight: 4g Size: 26*15*20mm Operative range: up to 30feet(10meters) Yincine M6 Wireless Bluetooth headset that is made out of high quality material.Stylish, compact, and light-weight with access to all buttons. Precisely cut and fit for all day comfortable wear. It compactable for all brand iphone, samsung, nokia, htc, huawei, oppo, vivo xiaomi having bluetooth verson 4.1 Brand Yincine SKU 100058042_NP-1020309028 connector_1 3.5MM Bluetooth Yes Wearing type In-Ear wireless_connectivity Bluetooth Model M5