Name: Pies Series Wireless Speaker with Two Microphones Model: JR-MW03 BT version: V5.3 Audio decoding: SBC Sound channel: 2.2 Supported modes: BT, TF card, USB flash drive, 3.5mm Memory capacity limit: ＜32G Supported mic mode: UHF wireless mic*2, 6.5mm wired mic Control mode: button control + remote control Interconnection: TWS Supported protocols: HFP, A2DP, AVRCP BT working frequency: 2400MHz-2480MHz UHF mic effective distance: 8m BT range: ≥10m (barrier-free open environment) Frequency response: 40Hz-18KHz Speaker: bass φ103mm*2 + highs φ57mm*2 Output power: 150W (45W*2+30W*2) Listening time: 20h (50% volume) Standby time (connected): about 120h Battery capacity: 24000mAh Charging time: ≤8h TYPE-C charging input: 5V/3A USB-A emergency output: 5V/1A Material: metal+ABS+silicone Net weight: speaker 4.4kg, single mic 0.23kg Size: L343mm*W120mm*H244.3mm Working temperature: -5℃~+60℃