USAMS US-YC011 Lanyard Style Fabric Wireless Bluetooth Waterproof Small Speaker(Black)

1. 40mm dual speakers, shocking bass2. Bluetooth 5.0 solution, three-button talk/cut song3. IPX7 waterproof, built-in call microphone4. Power storage 2000mAh, wireless battery life 4 hours5. It is easy to carry when going out, with its own lanyard and outer fabric6. Parameters:Material: ABS+clothConnection range: less than 10 metersMicrophone diameter: 40mmx2Frequency range: 20Hz-20KHzImpedance: 4 OhmPlaying time: about 4 hoursTalk time: about 4 hoursCharging input: 5V 1ABattery capacity: 2000mAhCharging time: about 2.5 hoursWaterproof grade: IPX7Size: 70x70x135mmWeight: about 330g