Spec

• Manufacturer: Sanwa Supply
• Model Number: MM-BTMH61BK
• Size (W x D x H) mm: 74 x 36 x 21
• Weight (g): about 17
• Frequency range: 2.402~2.480 GHz
• Communication range: Up to 10 m
• Charging time: Approximately 2 hours
• Continuous call time: Approximately 7 hours
• Accessories: USB cable for charging, external microphone, ear piece (S, M, L size, 1 each), owner's manual and warranty
• Connection method: Bluetooth
• Transmit Output: Class2
• Playback Frequency Range: 20~ 20,000 Hz
• Standard: Bluetooth 5.3
• Microphone sensitivity: -42±3dB
• transmission method: GFSK
• Supported profiles: HSP, HFP, A2DP, AVRCP
• Microphone Directivity: None (all) Directivity (external microphones are unidirectional)
• Charging Port: USB Type-C
• Power: Lithium Polymer Battery Charging time/Approximately 2 hours Maximum continuous music playback time/Approximately 6 hours Maximum continuous talk time/Approximately 7 hours Maximum continuous standby time/Approximately 60 hours