Xo X6 Tws Bluetooth Black

New Bluetooth 5.0, pau1603 Bluetooth solution■ Bluetooth effective distance ≥ 10m■The maximum power of earphone is 10MW■Audio signal to noise ratio: S / N ≥ 90dB■Frequency response: 50 Hz ~ 20 kHz■Speaker unit: 13mm, 26r high fidelity NdFeB■ built in battery: lithium battery: headset: 3.7v/30mah, charging stand: 3.7v/500mah■Music time: about 4 hours (80% volume)■ talk time: about 4 hours (80% volume)■Charging input standard: type-C, DC5V, 500mA■Charging time: earphone: about 1.5 hours ■charging box: about 2.5 hours■The capacity of the battery after 300 charge discharge cycles is 80% of the initial capacity■Track system: stereo