Features 1. High-quality Sound Design: The use of four sound units, and vertical large audio the same principle, the converter gives two speaker units to deal with treble and bass, respectively, to improve the sound resolution. 2. Graphene Diaphragm: Graphene material can effectively reduce the vibration of the diaphragm division, reduce distortion effect wide sound range, sound fine and high resolution, powerful. 3. New Bluetooth-compatible 5.0: Upgrade Bluetooth-compatible 5.0 chip, signal stability, faster transmission speed, so that audio stability Transmission, better sound quality, high bit rate music can also be easily transmitted. 4. HD Noise Reduction Call: Intelligent call noise reduction technology, with high stability of the two MENS microphone, to achieve high-definition call effect, in noisy scenes as if an intimate conversation, low latency. 5. Fingerprint Touch Design: Remove the headset from the charging compartment, Bluetooth-compatible automatic connection pairing, with the touch of a finger, you can realize the song cut, answer and hang up, voice assistant and other functions. 6.After-sale Service: If you have any questions, please contact us immediately and we will help you solve it as soon as possible. Specifications: Main Chip: Jerry 6976D Host Battery: 40 mA Charging Compartment: 300 mA Standby Time: Talk more than 5 hours; music 4 hours; standby more than 180 hours Bluetooth-compatible Version: 5.0 Shell Color: Vlack, white, pink Transmission Frequency: 2.4GHz-2.485GHz Applicable Models: Applicable to all Bluetooth-compatible cell phones, Bluetooth-compatible PDA phones and voice devices, etc. Transmission Distance: 10 meters Speaker: Double moving coil speaker