Wireless Bluetooth-compatible 4.1 In-Ear Earbud Earphone Handsfree Stereo Bass Headphone

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-compatible chip, easy to connect, fast and stable. Built-in DSP noise reduction technology, high clarity call.   Item Name: bluetooth-compatible Earphone Material: ABS Bluetooth Version: V4.1+EDR Bluetooth Mode: Hands Free/Headset Wireless Frequency: 2.402-2.480GHz Transmission Power: Class2 Transmission Distance: 10 Meters Barrier-free Charging 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-ear Battery 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 item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.   Package Includes: 1 x bluetooth-compatible Earphone 1 x USB Magnetic Charging Stand 1 x Ear Cap 1 x User Manual