LENYES Air 301

● Wireless version: V5.3

● Support Bluetooth protocol: A2DP1.3/AVCTP1.4 /AVDTP1.3/AVRCP1.5/HFP1.5/SPP1.0/SMP/L2CAP4.2

● Working frequency: 2.402GHz-2.480GHz

● Receiving sensitivity: -93dBm

● Bluetooth effective distance: ≥10m

● Speaker power: 2mW

● Audio signal-to-noise ratio: ≥90dB

● Frequency response: 20Hz~20KHz

● Built-in battery: 3.7V, 20mAh

● Music duration: 3-3.5 hours (70% volume)

● Talk time: approximately 2.5 hours (70% volume)

● Standby time: headphone about 67 hours

● The charging case has a standby time of approximately 400 hours

● Charging time: about 2 hours