Inhouse product
■Dual channel system ■ Bluetooth solution BK: 3266 ■ Bluetooth version: Bluetooth v5.0 Receiving sensitivity: - 89dbm ■ Bluetooth effective distance: rating 3-5mw ■Frequency response: 50 Hz ~ 20 kHz ■Speaker unit: copper ring full frequency horn Φ 10mm@16ohm ■ Microphone Mic MEMS, capacitance mic, - 42db + - 2, ■Built in battery: lithium battery - 3.7V, 120mAh ■Standby time is about 40H ■Music time: about 8 hours (80% volume) ■ talk time: about 8 hours (80% volume) ■Charging input standard: dc5v-500ma micro USB ■Charging time: about 1.5 hours ■Battery cycle life charge discharge cycle ≥ 300 times |