Bluetooth 5.0 high speed and stable connection, support HD noise reduction hands-free calling You can download ZEALOT APP, listen to the cloud radios during your fitness and leisure time Lightweight and convenient, equipped with a lanyard, easy to carry with you Non-slip rubber mat at the bottom for the speaker body to stand on the table stably Large capacity built-in battery, long battery life and long standby time Large speaker to create 3D stereo 52mm/2.05in big speaker, through the special metal net to make out the sound, make the music more stereoscopic, 52mm/2.05in magnetic large speaker, metal diaphragm gold proportional cavity Built-in sensitive microphone, support Bluetooth mobile phone hands-free calling, free hands, mobile phone calls and voice chat as face-to-face Explosion hearing anodized aluminum sheet CD pattern, with the diaphragm moving, dynamic fashion The body is wrapped with waterproof nylon cloth + skin-friendly silicone material, the shape is novel and beautiful, and the sound is more balanced Multiple play modes: Bluetooth/USB Flash drives/TF card(32G MAX)/AUX jack line-in Perfect for indoor or outdoor use: gym, office, working or reading, fishing, hiking, yoga, etc. Specifications: Brand: ZEALOT Model: S32 Bluetooth version: 5.0 Transmission distance: about 10m Listening to music time: about 6H Charging time: 3H or so Signal to analog ratio: ≥85dB Working voltage: 3.7V Frequency response: 80Hz-20KHz Battery capacity: 2000MAH Speaker: 4Ω5W Distortion: