● Compact design with hook, easy to carry
● Handsfree phone answering function
● Transmission Distance : Up to 32 Feet Built-in Rechargeable Battery
● Waterproof rating: IP64
● Bluetooth version: V4.1
● Output power: 4W
● Speaker unit: 4Ω/4W*
● Frequency response: 60Hz-20KHz
● Input sensitivity：500mV
● Separation：≥90dB
● SNR ≥80dB
● Battery: 300mAh
● Built-in TF slot