Product information:Color: JM19 Black, JM19 White, JM19 Black Orange, JM19 Permanent Translation Black, JM19 Permanent Translation White, JM19 Permanent Translation Black Orange Transmission Range: 10 meters Chip Type: Zhongke Blue Message Battery Life: 4-8 hours Features: Waterproof, Long Battery Life, Call Function, Music Support, Digital Display Material: ABS Usage: In-ear Style: Sporty