Xiaomi Wireless Bluetooth4.1 Earphones Earbuds Headset In-Ear Stereo Headset - Black

Package Contents: 1 x Earphone 1 x Charging Cable Technical Specifications: Product color: Black, White Style: In-ear style Plug type: wireless Frequency response range: 20-20,000Hz Using microphone: Yes Resistance: 32 ohm Wireless type: Bluetooth Bluetooth: 4.1 Edition Wireless range: 10 meters Bluetooth protocol: HFP / A2DP / HSP / AVRCP Bluetooth chip: CSR8610 Waterproof grade: IPX4 Battery: 40mAh Standby time: 60 hours Duration: about 3 hours. Charging time: about 1 hours. Charging mode: magnetic contact charging. Product size: 25mm*20mm*15mm/0.98*0.78*0.59'' Features and Benefits: 1. Light-Weight 2.The headsets use a built-in rechargable battery with non-removable, don\'t attempt to remove the battery from the headsets, to avoid danger or damage the headsets . 3.pls use the original charging cable which provides by headsets manufacturer for charging, and choose USB port of computer or regular brand mobile phone charger which is in computer accoed with 5V voltage, 40 mAh less than 40mAh-1A current to charge. It will damage the headsets if you use over this voltage and current to charge. Notice: 1. Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid. 2. The color may have different as the difference display,pls understand.