Bluetooth Headset G688

Bluetooth specification: V2.0 version Band: ISM 2.402-2.480GHz) Support model: a handsfree headset and model RF output power: -6 ~ +4 dBm RF sensitivity:>-75dBm Effective distance: 10 m Talk time: 480 minutes Standby time: 180 hours Battery: Rechargeable lithium batteries Power Transmission: SBCMax200kbps, 48.000kHz, 16bit Quality specifications: mono Temperature range: -10 to 45 degrees Celsius Audio output: (RL = 32ohm) 2.5mW Audio range: 20 Hz ~ 22kHz Charging time: (2 ± 0.5) hours Configuration: Bluetooth headset / charger / brochures / 2 panels can be replaced