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)
