SILENTEX NATURAL XPB BT A

Qualified Bluetooth device, for wireless connection to a mobile phone or communication radio. Wireless transmission range approximately 10 m. Active ambient sound reproduction protects your hearing from harmful noise while warning signals, speech, instructions and other signals in lower levels of noise can be heard. Improves safety by not isolating the user from the surroundings. Maximum sound pressure level from earphones is limited to 82 dB. Rechargeable Li-on battery and charger included, operating time 60 h or 20 h when Bluetooth active. Low battery warning and automatic switch off after 5 hours.