SPECIFICATIONS:

• Chipset: JL6936D
• Wearing: overhead
• Bluetooth version: V5.0
• Sensitivity: –80dB
• Bluetooth frequency: 2.401GHZ～2.482GHZ
• Bluetooth protocol: HFP/A2DP/AVCTP/AVRCP/AVDTP/GAVDP
• Microphone sensitivity: 102db ± 3db
• Rechargeable battery capacity: 300mAh
• Impedance: 32Ω±8%(1KHZ)
• Audio signal-to-noise ratio: ≥90dB
• Speaker unit: Φ40mm
• Playtime: 16-18 hours (70-80% volume)
• Call time：16-20 hours
• Standby time: 5100 hours
• Power input: 5V-1A
• Charging time: 3-5 hours
• Material: ABS + PC
• Dimensions      20 x 19.1 x 8.4 cm
• Weight 0.337 kg