AMSUPER Waterproof 3.7V 800MA Lithium Polymer Speaker CSR4.0 Hands-free

Features: Waterproof IP67 Main function: hands-free input, audio input, etc. Speaker specification: Diameter 45mm horn 4 ohm/5W Frequency response:120HZ-20KHZ S/N: ≥80dB Color: Black Material: Double color mould aluminum net (surface spray rubber oil) Description: Specifications: Model: C3 Power supplier: 3.7V 800MA Lithium polymer A battery Output (RMS): 5W THD+N ≤10%（1KHZ/0db） Charge time / input voltage: About 3-4 hours / 5V 1A Play time: About 4-5 hours volume75% Ingress Protection: IP67 Product size : 77*83*30MM Package included: 1 x Speaker 1 x audio cable 1 x USB Cable 1 x strap Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.

AMSUPER Waterproof 3.7V 800MA Lithium Polymer Speaker CSR4.0 Hands-free