Mini Single Portable Wireless bluetooth Earphone Magnetic Charging Sports Headphone with USB Charger

Features: 1. Mini, portable design. 2. Ergonomic design,comfortable to wear. 3. The great sound let you enjoy the music world at any time. 4. Can be connected by two smartphones at the sametime. 5. Compatible with most smart bluetooth devices,including all Android and IOS smartphones. 6. With built in microphone,it is very convenient for you to accept phone calls handfreely when you're busy with something else. Specifications: General Specification Model HB-18 Color Black, White Wearing Type In-ear Net Weight 5g Dimensions 26 x 17.5 x 15 mm Technical Parameters Microphone Yes Wired Control Not support bluetooth Version V4.1 Transmission Distance 10m Impedance 32 Frequency Response 20-20kHz Battery Capacity 65mAh, 3.7V Charging Time (h) 1h Taking Time 4h Working Time (h) 4h Standby Time (h) 150h Package Included: 1* Mini Single Portable Wireless bluetooth Earphone with USB Charger 1* Manual