Bluetooth Version Bluetooth 3.0 + EDR

Bluetooth Name BTS-19

FM Frequency 87.8-108.0 (auto scanning)

Working Current ≤ 30mA

Working Voltage DC 3.7 V

Charging Current DC 5V 500mA (red LED glints)

Speaker Unit waterproof speaker φ54 4Ω 3W

Speaker Frequency 100-18000Hz

Microphone 5.0*6.0mm omnidirectional;

S.N.R: ≥-75dB

Battery 500mAH 3.7V polymer lithium battery

Battery Life ≥ 300 times (after 300 times charge and recharge cycle, the battery capacity still maintain ≥80%)

Charging Time 3H (fully charge)

Standby Time ≥ 200H

Working Time ≥ 8 H(in appropriate volume)

Working Distance ≥ 10M (in the open air)

Waterproof rank IPX 4 (no harmful effects from any direction by water splashing)