Model: RB-S18

Bluetooth Version: V4.2+EDR (A2DP/HFP/HSP/AVRCP)

Battery Capacity: 65mAh/3.7V(Rechargeable lithium battery)

Frequency: 2.402-2.480GHz

Working Time: about 4 hours

Charging Time: about 2 hours

Standby Time: about 80 hours

Transmission Distance: 10m

Transmission Power: Class 2

Charging Voltage: 5V/50mA

SNR: ≥90dB

Size: 740 x 23 x 15mm

Compatible With: iPhone 8/8 Plus/7/7 Plus/Samsung Galaxy S9Other Bluetooth 4.2 enabled smartphones and tablets