Awei AK7 IPX4 Water-proof Magnetic Adsorption Wireless Bluetooth Earphone Headphone for Mobile Phone

Specifications: Brand: Awei Model: AK7 Material: metal + TPE Bluetooth: 4.1 Bluetooth protocol: A2DP, AVRCP, HSP, HFP Driver unit: 6mm Sensitivity: 92dB Impedance: 16 ohm Wireless frequency range: 2.402GHz - 2.480GHz Voice frequency range: 20Hz - 20KHz Line length: 60cm Transmission distance: 10m Waterproof: IPX4 Power supply: 2 x 65mAh rechargeable li-ion battery ( built-in ) Charging time: 2 hours Talking time: 12 hours Music playing time: 10 hours Stand-by time: up to 240 hours Charging port: Micro USB Features: 1. Up to 240h super long-time standby for you; 2. With built-in HD microphone, handsfree phone calls with your family and friends; 3. IPX4 water -proof, special for sports, let you enjoy high quality music anytime you want during sporting; 4. Magnetic adsorption, the earphone can be a necklace when you are not using it, easier and convenient for your carrying; 5. Compatible with 95% smart phone such as iPhone 6/7/8/X/plus, Samsung Galaxy S6/S7/S8/S7 Edge, Xiaomi, Vivo, Bluboo, Doogee etc; Package included: 1x Bluetooth Earphone 3 pairs Ear tips 1x USB Cable 1x User Manual