Round 5.1 Wireless Bluetooth Speaker With Color Lights, Flash, Colorful Outdoor Pluggable Couplets FM With Lanyard Features: Product type: Bluetooth speaker Model: M370 Mate-rial: ABS Colour: Black Bluetooth version: 5.1 Output power :5W/ 0.3A Signal-to-noise ratio: ≥ 83 dB Effective distance:10m Frequency response range:60Hz-16KHz Power input:5V Extended storage: 32G(Not included) Horn specification: Φ40MM 4Ω3W Diaphragm view grid: Φ 52MM Playback duration: 6 Hours Water-proof rating:-6 Battery capacity: 1200mAh Product size: 8.2x8.2x310.3 cm/ 3.23x3.23x4.06 in Packing size: 10.0x10.0x12.0 cm/ 4.33x3.23x1.70 in Gross weight: 378 g/0.833 lb Description: Strong bass: support, easy to enjoy 3D stereo surround sound quality. feel-the-beauty of 360 ° surround sound with your stunning subwoofer. Bluetooth chip stable and fast connection: The new generation Bluetooth 5.1 audio decoder is equipped with smart chip, fast connection, delay rejection, listening to music and mobile phone calls. water-proof: cylindrical dazzling Bluetooth audio, IPX6 water-proof, not afraid of splashing. Desktop/outdoor available stereo: This stereo is very suitable for desktop placement, HIFI sound quality subwoofer, born for music fever, stereo surround, speakers, shocking sound effect. Soft and lovely lanyard: easy to hang in the hands, anti-vibration feet, not-only to effectively avoid the body vibration, more stable speaker position, a key control is-Simple-and convenient. Package Included: 1 x Bluetooth audio 1 x data cable 1 x Manual 1 x Lanyard