Neckband Bluetooth Speaker, Neck Speaker Bluetooth Wireless, Wearable Speaker, True 3D Stereo Sound, Portable Soundwear, IPX4, For Home Sport Outdoor Features: Wireless Bluetooth speakers with 2 built-in 3W internal magnetic speakers and 2 bass diaphragms, speakers released on both sides of the neck, emitting audio upwards, around your ears, creating 3D surround sound Neck and shoulder type surround design, the formation of surround sound Yang, to create their own private domain of music, immersive surround sound, to bring immersive experience Ergonomic design, fit the neck, uniform stress, stable and do not fall; hanging neck speaker to avoid the traditional headphones on the ear pressure and cause hearing damage, directional sound transmission to avoid over-disturbing others Built-in rechargeable high-performance polymer lithium battery, under normal circumstances can up to 12 hours of working time, so that the music continues to accompany you around The neck is made of soft memory silicone, flexible and fall-resistant; the back is completely wrapped with environmentally friendly silicone coating, which is gentle and delicate to the use Advanced Bluetooth 5.0 chip ensures stable transmission over long distances of about 10 meters, most devices and provides you with a stable connection to enjoy quality music anytime, anywhere Built-in high-definition microphone, hands without picking up the phone can also be high-definition calls; whether walking, driving or riding can sense around, making travel safer, more convenient life Product Parameters: Product name: Bluetooth Audio Color:Black Materia:Plastic Power supply: Rechargeable lithium battery (600 mA) Output power:3W*2,stereo sound Working time: 10 hours Talk time:5 hours Standby time:7200 hours Signal-to-noise ratio: 80dB Distortion: 3% Bluetooth playback: Listening time up to 7.0 ~ 8.0 hours when the volume is 60 ~ 70%; Listening time up to 4.5 hours when the volume is Transmission Distance: 10 meters (without obstacles) Package size:23.0x20.0x3.0cm/ 9.05x7.87x1.18 inch Gross weight:362g/0.80lb The Package Include: 1 x Bluetooth Audio 1 x Charging Cable 1 x Instruction Manual