Awei Y528 Colourful Light Outdoor Wireless Speaker

Bluetooth chip: AC6966B Bluetooth version: 5.3 Supported Bluetooth protocols: A2DP AVRCP ACDTP HSP HFP Channel system: mono Frequency response range: 2.402GHz – 2.480GHz Receiving sensitivity: 78±3dB A 10W horn+ a diaphragm SNR: ≥65dB Frequency response range: 80Hz~18KHz Speaker unit: 66mm (2.5 inches) /4Ω Built-in battery: Li-polymer battery (3.7V/3,000mAh) Playtime: 4-6 hours Input standard: Type-C (DC5V/600mA) Charging time: about 5 hours Size: 110mm* 110mm * 213mm.