I am an Chinese seller,providing customers with high-quality and low-cost products. The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on. We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans. Sincerely at your service .Please feel free to contact us if you have any questions.Specifications:Ergonomically designed, compact and lightweight, comfortable to wear.With soft silicone ear cap, it effectively blocks noise and strengthens the bass effect.High-performance 4.1 low-power Bluetooth chip, easy to connect, fast and stable.Built-in DSP noise reduction technology, HD call. Item Name: Bluetooth EarphoneMaterial: ABSBluetooth Version: V4.1+EDRBluetooth Mode: Hands Free/HeadsetWireless Frequency: 2.402-2.480GHzTransmission Power: Class2Transmission Distance: 10 Meters Barrier-freeCharging Power Supply: AC Input: 110-240V, DC Output: 5V (Charging Time: 1-2 Hours, Charging Voltage: 3.7V)Talk Time: 6 Hours (6 hours of music playback.)Wearing Method: In-earBattery Type: 50mA Rechargeable Lithium Polymer Battery(Included)Size: 13mm x 14mm x 23mm/0.51" x 0.55" x 0.91" (Approx.) Instructions:Press and hold 5s until the blue light flashes quickly to enter the pairing state.1. Boot: long press 3s blue light automatically back.2. Shutdown: long press until the blue light goes out.3. Click the "Start" button to enter or pause the music.4. Answer the call: Click the start button.5. No number redial: Quickly double-click the start button. Notes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes:1 x Bluetooth Earphone1 x USB Magnetic Charging Stand1 x Ear Cap1 x User Manual a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a