Wireless version: v5.3
Transmission range: 10m
Signal to noise ratio:≥90db
Battery Specifications:1200mAh/3.7V
Horn specifications: Ø57mm/4Ω/5W
Frequency response range:120Hz-20KHz
Product size: 95x95x121.7mm
Charging voltage: 5V/500mA
Supported Protocols: L2CAP/A2DP/AVRCP/HSP/HFP