Albrecht ATR 430 Charging Case Set 50; Albrecht ATR 430 set of 50 in charging case; ideal for tourist operations; usable throughout Europe thanks to 2.4 GHz ISM band; clear voice transmission of up to 200 m range; battery life: approx. 10 h; radios can be charged directly in the case (60 charging shells, approx. 3 - 4 hours charging time); 3.5 mm headphone jack for all common earphones; low susceptibility to interference due to 80 groups and digital transmission; frequency range: 2. 4GHz: 2400 - 2480 MHz; operation: integrated lithium battery 3.7 V / 1000mAh; dimensions (W x D x H): 65 x 40 x 20 mm; weight: 4 kg; included in delivery: 1x charging case to carry up to 50 devices, 49x ATR430 receivers incl. earphones, rechargeable battery and lanyard, 1x ATT400 transmitter incl. headset for tour guide, rechargeable battery, belt clip and lanyard; Note: the transmitters and receivers come in gray/black and not colored as shown in the case.